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William Woodcock

Jan 22 1887



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William Woodcock

age 6

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The Improved Walker Tool Grinder.

A JOURNAL FOR MACHINISTS,'BLACKSMITHS,
VOL. 10, No: 2 WEEKLIES. NEW YORK, May 21, 1896.
5 82.50 per Annum. SINGLE COPIES, a CENTS.
COPYRIGHT 1896, BY AMERICAN MACHINIST PUBLISHING C ANY.

VOLUME 19.

A PRACTICAL JOURNAL OF MACHINE CONSTRUCTION. NEW YORK, THURSDAY, MAY 21, 1896.

The Improved Walker Tool Grinder.

In our issue of October 12, 1893, we published, as part of our account of the machinery exhibited at Chicago, engrav-ings and description of the above-men-tioned machine, since which time its original designer, Mr. 0. S. Walker, has gone on improving it; and the improve-ments he has made though they do not materially alter the general appearance of the machine, are yet important, and, we think, of sufficient merit to justify us in taking space for their illustration. The improvements are as follows: A supplementary support to the swinging table (see Fig. I of the detail cuts), largely increasing the rigidity of the machine. The supporting collar B (resting upon this support) is provided with a steel pointer, to indicate, by means of index i and 2 on the supplementary support, the position of the sliding carriage as regards the emery wheel. The sliding carriage, while pre-serving the same general design, has been materially increased in weight, has an in-creased capacity of 3 inches in length, and a convenient rack and pinion feed has been added; and there is now obtained a direct hand feed, rack feed and screw feed, with quick changes from one to either of the others. The cross feed (operated by screw) is now arranged to be moved by thousandths of an inch, by means of the graduated hand wheel M and adjustable pointer N. The cross-feed screw is oiled through the oil cup P, at its center. As it has been the aim of the manufac-turers to build a machine that should be strictly universal in its range, and -to meet a demand for surface grinding under the emery wheel, also for formed cutter grind-ing, an increased vertical adjustment of 5 inches has been provided. Fig. I is a part vertical section through the machine, and Fig. 2 is a part horizontal section through the binding and elevating devices. It will be seen that the supplementary support for the table is a part of the column top E, and also that a hub or collar El is formed around the center of the same, at the top. The supporting collar B is clamped to this hub by means of the ball-handle screw L. The supporting collar B is in turn formed with a hub at the top, telescoping into the lower end of the hub of the main table A, and a dowel C is provided, allowing a yertical movement of the table by means of the feed screw D, but preventing lateral

movement except in unison with the col-lar B. A hub Al, on the main table A telescopes into the bottom of the grinder head R, which is rigidly fastened to the adjustable post a, at its upper end. Table A, collar B and column top E are each centrally bored for the insertion of the adjustable post G, said post having rack teeth on one side of its lower extremity

- _ Expanding and Binding Screw

NUMBER 21.
side, operated by the gripping screw I, and upon the opposite side with a bearing for the elevating pinion H, made solid with its shaft and operated by the external hand wheel S. To adjust the post G, the binding screw I of the column and the binding screw K of the main table are loosened; the binding screw L remaining tightened, to hold the table and carriage Changeable Collet Oil Hole 1 Vertical Feed Supplementary Support Index 2 Index 1 Drip Cup Fig. 1 VERTICAL SECTION OF GRINDER.
and being splined to the column top E, with stops to limit its vertical travel in each direction. The lower end of the post G enters a drip cup inside of the column, and forms a conduit for all the waste oil from the spindle boxes. The column top E is provided at its under side with a long hub split on one

Fig. 2 SECTION THROUGH CLAMPING DEVICE.
rigid with the column top. After adjust-ing post G, the same screws are tightened. and the whole device is again rigid. To insure the freeing of the clamping device from the post G, a simple device in the form of a right and left-threaded bushing J and J-1, Fig. 2, is employed. It will be seen that these binding screws

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are each provided with two threaded portions of different diameters, the smaller size on each being right-handed and the larger left-handed. The inside of the bushings is tapped to fit the left-handed thread; while the outside of the bushings is cut right-handed, of the same pitch as the smaller diameter threads at the end of the binding screws, to enable the same to be screwed into place. The operation of the device is obvious, and it will be noticed that when slacked the binder is positively forced open. To provide for the slackening of the spindle belt when the grinder head is elevated, an automatically adjusted belt tightener is arranged on the regular five-speed countershaft which accompanies the machine. The countershaft and tightener are shown in Fig. 3, and further de-tails of tightener are illustrated in Figs. 4, 5 and 6. A weight Q, by force of graity, maintains the proper tension of the driving belt at all times. A notable feature of the belt tightener lies in the construction of the pulley T, which is rigidly mounted on a shaft U, the shaft having a bearing in a hub on the tightener arm. This pulley is so constructed that the belt pull is over the center of the shaft bearing. The shaft is oiled at the center, and the whole arrangement goes far to overcome the objectionable features of the ordinary loose pulleys. The drip cup W is hung ill a groove on the tightener hub, and will maintain its contents inside the cup no matter what the angle of the arm may be. The machine is manufactured by the Northern Emery Wheel Co., Worcester, Mass. AMERICAN MACHINIST May 21, 1896. THE IMPROVED WALKER TOOL GRINDER. A Commercial Tour of South America. The managers of the National Associa-tion of Manufacturers of the United States are organizing a commercial tour of South America. It is the intention to have representa- tive men ,connected with the various branches of manufacturing to form the No Drilled Hole Fig. 3 COUNTERSHAFT WITH TIGHTENERS. Fig. 5 Fig, 6 BELT TIGHTENER AND DRIP CUP. party, and it is intended to sail from New York July 1st by the "St. Paul," for Southampton, from which a steamer will be taken for Rio Janeiro, thus giving the manufacturers a vivid illustration of the fact that, in order to reach Rio Janeiro from New York, one must sail about five times the distance that would be required if we had a direct line of steamers. Official assurances have been received that the members of the party will be cordially received in the various Smith American countries which it is proposed to visit, and it is expected that about three months' time will be required for the trip. A By making a speed of 16.2079 knots on her trial trip, the new battle-ship "Massa-chusetts" earned for the Cramps, her builders, a premium of $100,000, and for herself, it is claimed, the proud distinc-tion of being the fastest vessel of her class in the world. Foreign vessels have made higher speeds for a single measured mile, but it is not believed that they could steam for four hours at the same speed. The Massachusetts Institute of Tech-nology sends us a pamphlet announcing summer courses of study which are to be followed at the Institute this season. These include courses in mathematics, chemistry, physics, languages, mechan-ism, shop work, etc.
AMERICAN-MACHINIST-1897-page 3 Piston Valves I.

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page-40 May 21, 1896.
Piston Valves I.
My recent notes on a peculiar form of piston valve have apparently attracted some attention, and I can perhaps best answer inquiries by giving a brief description of the valve I had in my mind and which is constructed on the principles I have named; that is, with a due and proper consideration of the importance of not placing in sliding contact two discontinuous surfaces. In • most types of piston

American Machinist Fig. 1 PISTON VALVE.
valve the valve appears to be an 'ordinary block piston, with spring rings almost identical with an ordinary steam piston; and yet it is called on to pass to and fro across ports which would allow the rings to spring into the ports and catch on the edges, if it were not for bridge bars cast—sometimes spirally—across the ports, to prevent, or try to prevent, such accident. I do not know who invented the continuous-bodied piston valve, for I have seen it made by several engineering firms. It consisted simply of a cylindrical hollow body with longitudinal ribs cast , in, and a grinding face at each end upon which there were ground the covers or end pieces of the valve, the completed valve having the appearance of Fig. I. These valves—there was one at each end of the cylinder—were worked in side shells of cast iron, as in Fig. 2, the ports

American Machinist
Fig. 2 PISTON-VALVE SHELL.
being cut in these shells, and usually being separated by inclined divisions. Sometimes there was provision made for rotating these valves as they worked to and fro, with the idea of better pre-serving their circularity—the means of doing this being by an arm attached to the valve spindles and carrying a roller which entered between two inclined plates, and these gave a slight swiveling motion to the arm and rotated the valve through a small angle. Fig. 3 shows this.

AMERICAN MACHINIST
The shells in which the valves worked were usually forced tightly into bored seats in the cylindrical valve chests, cast in one piece with the cylinder very frequently, as in Fig. 4; the passage A, properly made narrow at the side further from the cylinder, forming the passage to take steam from the several shell ports to the cylinder port B. The construction of the valve thus in-volves the simplest of mechanical work—that of the lathe and boring mill—and these were reduced to a minimum by the provision of suitable turning bands upon' the shells where they fitted in the bored chests and were pressed into place with a smear of red lead at c C. These simple valves were actuated in the usual way by eccentrics. They had some elasticity. When cast and rough-turned they were slotted longitudinally and com-pressed by an encircling clip, and turned up at the ends, and a V-piece fitted in a

Pig. 3 VALVE ROTATING DEVICE.
V-recess on the inside of the valve, the slot through the body being along the apex of the V. The V-piece was provided with a spring and a folding wedge com-bination, or other means of setting up. The curves were then ground on; and by means of paper inserted between the covers and the valve ends, the valve could be so tightly held by the grip of the covers, when drawn up by a bolt, that the encircling clip could be removed and the valve then turned to its proper finished diameter. Thus made, it possesses an initial elasticity and does not require any setting-out pressure from the V, whose duty is simply to keep closed the longitudinal slot. Apart from this the body of the valve is a continuous and unbroken surface, with nothing to get loose or to project and catch in the port openings. It is needless to point out that with piston valves there can be no frictional resistance to movement beyond that due to the elasticity of the valve; there is no steam pressure. Preferably, steam is ad-mitted between the two valves, so placing the valve spindle in tension, and exhaust takes place over their outer ends. It is important, if the waste spaces are wanted to be kept to a minimum, that the breadth of the annular port round the shell should be a minimum at A, and should gradually widen towards the cylinder port to provide an area proportionate. to the number of ports between A and the cylinder port B.

3-513
This, then, is the simple piston valve, or, as often termed, plug valve, and I think it must have been as an evolution from this valve that the automatic variable-expansion piston-valve gear came into being. The automatic valve is simply the plug valve with certain additions; the shell in which it works is identical, except for the shape of the ports; the fixing of the shell in the steam chest or side pipe is just the same, and there is the same rotation of the valve about its own axis, with the difference only that the angle of rotation is more accurately fixed and the time of rotation is variable, as will be seen from the drawings and description which I must defer for another letter—merely premising that the details of construction then shown will be equally applicable to the plug valve now described. I would merely add at present that the lead of a piston valve is best obtained, as shown in Fig. 4, by means of V-shaped notches cut in the steam edge of the shell ports. As regards construction, the shells being pressed into the seatings require careful turning so that the ports come properly in between the seating ribs c c. When the shells are in place the valve spindle which connects the valves is then finished at the junction socket, so as to bring the two valves to their proper relative positions. As a proof of the superiority to slide valves, a child can move a pair of piston valves if the eccentric rod be unhooked and the usual lever placed in the rock-, shaft socket which is provided for the purpose. The piston valve has one fault. It will not—cannot—lift off its face to let out water from the cylinder. Relief valves for this are an essential feature in a piston-valve engine. The setting-out V is an im- American Machinist

Fig. 4 SHELL IN PLACE,
important feature of a piston valve. It ought to be softer than the rest of the valve in order that, as it moves out, it will wear away quickly to the level of the valve body —otherwise it would tend to cut a groove in the shell. At the same time, it will not do to cut away the apex of the V entirely, or there would be a gate for the through passage of steam. London. W. H. Boo'.
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pg 3 AMERICAN MACHINIST 1896

-pg 40 May 21, 1896. -40 May 21, 1896. . London. W. H. Boo'. .
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AMERICAN-MACHINIST-1887-page 5 January-22-Vol-10-No 4
AMERICAN-MACHINIST-1887-page 5 January-22
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  May 21, 1896. AMERICAN MACHINIST, page 4

A Special " Reed " Lathe.
A representative of this paper who hap-pened to be in Worcester, Mass., a short time ago, noticed in the shops of F. E. Reed Co. a lathe which is shown by the accompanying reproduction of a pho-tograph. It is one of several similar lathes which were built for the. Brown & Sharpe Mfg. Co., for use in cutter-making and for other purposes where consider-able stock is to be removed; and, as will be noticed, has several special features. In fact, the lathe has rather more special features about it than Mr. Reed seems to care for in his product, and he was at first indisposed to have anything said about it to readers of the "American Machinist." There is no provision for cutting screws, but the feed rod is driven by The clutch shown at the left extremity of the feed rod is released by the carriage at the point determined by setting the sleeve shown upon the feed rod, and thus automatically stops the feed. The lathe is i6-inch swing, a 6-foot bed, and has extra strength and driving power.

Coiled Springs. BY E. T. ADAMS.
Few people realize how extensively springs of this type are used. A promi-nent manufacturer, who makes a practice of keeping one sample spring of each size or form manufactured by him, has an active list of not far from 3,000. This has no reference to what he may have made in the past; it means simply that he is mak-

A SPECIAL REED LATHE.
gears; and the intermediate is so arranged that, by changing it from one pair of gears to another, four changes of feed are ob-tained besides one change which is intro-duced between the short shaft in front and the feed rod, by which four other changes are obtained by simply slipping a gear. The carriage is provided with two ele-vating tool holders as shown, each having its own cross-feed screw, the two screws being geared together in front as shown, but with one of the gears arranged to slip off so that the screws can then be operated independently, the cross-feed handle fit-ting either of them. Arranged thus, the tools can be separately adjusted, and then by putting the gear in place they move together. The rear tool can be moved a short distance upon the carriage, par-allel with the carriage feed, for adjust-ment, and both rests will hold two tools if desired. ing now, in round numbers, 3,000 different coiled springs. Many of these are very probably of peculiar form or made from small diameters of wire; but a consider-able number of them, say one-fourth, could be of wire varying in diameter from to 1 i/8 inches wound on sizes of man-drels within the limits of common prac-tice. For this range of sizes of springs that are coiled on a cylindrical mandrel there should be a table or chart giving the strength and deflection at the elastic limit for each size. From such a table a spring could quickly be selected for any service, a simple proportion giving the strength and deflection with any required factor of safety, or from a chart similar to that shown in Fig. 1 the same thing could be secured without any computa-tion whatever. It is frequently stated that it is not pos-sible to make a table of this sort that will have any real practical value. It is said

May 21, 1896.
that no table or formula can take into ac count the difference in quality of the steel used, or the effect of the various modes of treatment and tempering. If any part of the wire is slightly overheated in coil-ing, the diameter of the wire will be re-duced at that point. Often the mandrel is made tapering to facilitate removing the spring, and thus we see that every pro-cess, every element that influences the strength or elasticity of the spring is vari-able. For these reasons and others of like nature it is argued that formulas are of small value and accurate tables are im-possible. Admitting the force of these arguments, it is also true that when one firm makes 3,000 different sizes of coiled springs, and when there are certainly half a dozen firms doing an equally large business, these variables will be, to a very great extent, fixed by certain practical considerations which will affect all manufacturers about alike. The quality of the steel and the processes of manufacture must allow the springs to be turned out in great quan-tities and at minimum cost. The product must be as uniform as possible, and its quality as good as the average buyer will pay for. The buyer does not pay for a per-fect spring, and does not .get one. If he would avoid trouble he must, in his de-signs, allow for reasonable variation in the springs that he gets. Therefore, it is not a question of a table or formula to give the exact size of a single perfect spring, made regardless of cost, but of producing a table that will give with reasonable exactness the average strength and deflection of springs produced under existing conditions. Is such a table possible? The writer believes that it is. In fact, every firm making extensive use of springs has a piece of just such a table covering the sizes most used by them. No such table is generally available. The "American Machinist" published, some years ago, an excellent table prepared by Mr. Julius Begtrup, engineer of the McEwen Mfg. Co. So far as the writer knows, this is the only modern table, and even this is not now generally available, and the occa-sional user of springs must fall back on formulas. Any of the formulas given in reference books will give ac-curate results, if the proper substitutions, are made (please note the magnitude of this "if") ; but the man who resorts to a. chance formula to design springs is not always in a position to make the proper substitutions, and in this respect he is not alone. Two recent authorities give re-spectively 50,000 and ioo,000 as the strength at the elastic limit of a certain size of round steel wire, tempered for springs. When we consider that the weight of steel required, and approxi-mately the cost of the spring, will vary inversely as the square of the strength at the elastic limit, we will readily conclude that "where doctors disagree" someone
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 May 21, 1896. AMERICAN MACHINIST page 5
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May 21, 1896. AMERICAN MACHINIST

May 21, 1896. AMERICAN MACHINIST
should decide, and the writer believes that this decision should be arrived at by testing a great number—a thousand or more—of springs bought in the open market. The price of each spring should be known, and the averages arrived at from these tests should take into account the price as well as the size. It will be in-teresting to know whether a change in quality affects the price in the same way and to the same extent that such a change affects the weight of steel. For example: With an allowable fiber stress of 6o,000 pounds, a certain spring weighs, say, 3o

cf. 300 200 150 100 50 0 x simply the usual stress-strain diagram, plotted on cross-section paper, and gives the load and corresponding deflection for thirteen different sizes of springs made from 1/4-inch wire; the modulus of elasticity used was, 12,000,000. The curved line x—x shows the load giving a fiber stress of 6o,000 pounds. There should be similar curves for fiber stress of moo() and 8o,000. The chart is incomplete, but is introduced to show how easily springs may be selected by its aid. Those who need an especially fine qual-ity of spring have no interest in the pro-posed table; they must specify far more Diam. of mandrel.

'4".v4 Load applied, poun-deflectilmitifehes 1 60000-ponds. Abcissas Fiber- tress= 0 0.1 Fig. 1 0 2 0.3 Deflection per coil, in inches.

DIAGRAM FOR SPRINGS.
pounds. If we can make the fiber stress with equal safety 75,000, the spring, to do the same work, will weigh, approximately, one-half as much as before, or but 15 pounds. Question: Will the last spring cost twice as much per pound as the first? Some work towards a table of this sort has already been done in the laboratories of Sibley College, and in fact a table for some 300 different sizes has been prepared which, after it has been carefully checked by tests of a greater number of springs, will very likely find its way to the readers of the "American Machinist." Fig. 1 gives a very convenient form of chart for users of coiled springs. It is

0 4_American Machinist0.5
24 234. 2y: than the modulus of elasticity and the fiber stress at the elastic limit to secure the result they seek; but those who buy of the lowest bidder, or for whose pur-pose an average spring is good enough, or those who now and then need a spring and who want to know what they will get if they go into the open market and buy it, all have an interest in the work now going forward. For this class, which the writer believes to be, numerically, by far the greatest class, it is little use to know the effect of carbon or manganese and it is doubtful if they care to know that there is such a thing as the modulus of elasticity. It is
5-515 not with them a question of what is pos-sible, but rather what is expedient, which is exactly what the proposed table should enable them to determine.

A Fixture for Grinding Profile Cutters.
BY A. L. DE LEuuw. There are two ways to grind profile cut-ters so that the teeth keep their shape. The one most used is to form the teeth on a hacking-off lathe and grind them on the face. The other one is to hold the cutter in a fixture which will give the cut-ter a movement so that at every grinding the teeth are formed again. The first method diminishes the thickness of the teeth from front to back, leaving the diameter of the cutter nearly the same; while the second method diminishes the diameter of the cutter, leaving the teeth of the same strength, or, rather, making them stronger by making them shorter. The accompanying engravings show a fixture designed for the last-mentioned

Fig. 1 FORM OF DRILL CUTTER.
operation, and especially for grinding the cutters for making twist drills with a 20-degree spiral; though it also is adapted to grind other profile cutters, provided they have not more than three different curves. Fig. I is the shape of a section of a twist drill cutter for the 20-degree spiral. A 13 is part of a circle with a radius C A = .838 times the diameter of the drill, B C is described with a radius = .375 X d, and the thickness of the cutter equals the first radius. A B is the more important curve, as it produces the cutting edge. This shape of cutter produces a straight lip. It may be of interest to recall here a simple way in which the radius of curve A B may be found for any angle of the spiral. If the lips of the drill make an included i8o°— 12o° angle of 120 degrees, then take 2 and add this to the angle of the spiral, 30° 20° = 5o°, the cotangent of 50° = .838, And this is the radius of A. B for a
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 AMERICAN-MACHINIST-Jan-22-1887 page 7 AMERICAN MACHINIST

pg 7 AMERICAN MACHINIST Jan 22,, 1887

JANUARY 22, 1887 AMERICAN MACIIINIST
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radii D C and E H. From the center C, and with a radius C K describe the circle K I L; from the center H, and with C Has a radius, describe an arc, M C N ; from the center C, and with a radius equal to the diameter K L of the circle K I L describe a short arc cut-ting the arc M C AT in the point M. Through the center C and the point M draw a straight line cutting the circumference K I L in the point I, and also the circumference A B D in the point B. Join the points /and H by a straight line, and draw the radius E H perpen-dicular to I H; then the points B and E are the points of tangency. Through the points B and E draw a straight line ; then this line B E will be the tangent required. By construction the line from B to I is equal in length to the radius E H, and the line. I is perpendicular to B C (Art. 125). The lines B I and E Hare, by construction, per-pendicular to the same line I H; they are also equal in length. Consequently the line B E, drawn through the points B and E, must be parallel to I H. The line B E must also be perpendicular to the lines B land F H, be-cause all the angles formed by these lines are right angles. Therefore the line B E is the tangent required. In a similar manner the tangent A G can be drawn. Directions.—In the space marked Prob. 18 draw any two circles whose diameters are not equal; assume these circles to be the given circles. Then draw a tangent to the same, according to the instructions given in this article. Draftsman's Method.—In order to draw on paper a line tangent to two circles, the drafts-man will simply place the T or set square in a position in which the edge of one or the other will -touch each circle in one point, and then draw a line along the edge. If it is nec-essary to locate the points of tangency, the draftsman will, with the aid of his T and set square, as explained in Art. 107, draw lines through the centers C and II, perpendicular to the tangent line ; the points in which these lines cut the tangent are the points of tan-gency. If the tangent is to be drawn on the floor, and the points of tangency are to be exactly located, it will generally be best to follow the construction shown in Fig. 113. 150. If the circles in Fig. 113 represent two pulleys, and it. is required to find the ex-ant lan►th of bolt to cto around these pulleys.
the points E and F draw a straight line ; then the line E F will be the tangent required, and the points E and F will be the points of contact. In a similar manner the tangent C H can be drawn. The line I B is tangent to the circle NM 0, Art. 108, and the same line is also perpendicu-lar to the line A I, Arts. 145 and 108. Since the line F B is perpendicular to the line I B, and the line F B has been drawn through the point of contact F, it follows that the line E F drawn perpendicular to F B is tangent to the circle F G H and is also parallel to the line I B. But the line I E is equal to the line F B, and these two lines are also parallel because they are perpendicular to the same line I B therefore the line E F must also be tangent to the circle CD E. Directions.—In the-space marked Problem 13
Fig. 115. Let the lines C D and 1I. F be the given lines ; it is requ red to draw a line K L which shall bisect the inclination of the lines CD and E F. If it were possible to produce the lines C D and E F so that they would meet, we would simply bisect the angle formed by these lines as explained in Art. 112, But according to the conditions given in this prob-lem the lines C D and E F cannot be pro-duced, hence the following construction : On the line E D take any point A, and through this point draw A M parallel to the line F F, according to the instructions given in Art. 113. From point A, as a center and with any radius, describe an arc cutting the line C D in the point g and the line A Al in the point h from the point g, as a center and with a radius greater than half the distance between
,
Fig. 114 on the floor, then the draftsman will adopt the method here given, or by some other similar method. When the given lines are drawn on paper the draftsman will find by trial the center of a circle which will be tangent to the given lines near their ends C and E, also in the same manner he will find the center of a circle tangent to the same lines near their ends D and F. Through these centers he will draw a straight line, and this line will bisect the inclination of the given lines. Endowment for Technical Schools
. President Walker, of the Massachusetts Institute of Technology, in his yearly report forcibly refers to the lack of sufficient endow-ment to meet the growing demands incident to the greatly increased number of students, and the necessity for adding to the scope of the institute. This brings up the question of why it is apparently so much easier to find benevolently inclined people willing to endow a college pure and simple, than to find those willing to help technical institutions. Our institutions of learning are almost invariably far from being self-supporting, except as they are helped to that position by benefactions, and when the utilitarian character of techni-cal schools is considered, it would seem that help would be more likely to flow to them than in any similar direction. Cestaialy the time has passed when objection to utilizing education found adherents. There is a noticeable instance' of neglect to help along the matter of useful education in the case of the Cooper Institute, in New York. Peter Cooper, while alive, devoted his time and money to building up and maintaining this school, and we doubt if money and time were ever spent to better purpose. But much as he did there is room to almost any extent in which to expand and enlarge upon his work. It has time and again been set forth that with more means this school could double and treble the good work it is doing, but no one seems inclined to furnish the means. In such schools as the Massachusetts Insti-tute of Technology it is not to be expected that the tuition of students will pay the ex-penses of keeping up the school upon such a plan as is desirable. The salaries paid in-structors is almost invariably small ; nothing can or should be saved in this direction. On
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The had of engine on stea
essary to locate the points of tangency, the draftsman will, with the aid of his T and set square, as explained in Art. 107, draw lines through the centers C and H, perpendicular to the tangent line; the points in which these lines cut the tangent are the points of tan-gency. If the tangent is to be drawn on the floor, and the points of tangency are to be exactly located, it will generally be best to follow the construction shown in Fig. 113. 150. If the circles in Fig. 113 represent two pulleys, and it. is required to find the ex-act length of belt to go around these pulleys, it will be necessary to find the points of tangency B, E,A and G; the distance between the points B and E, and also that between the points A and G will represent the amount of straight belt ; and the arcs B D A, and the arc /V /1' 0, will represent the amount of curved belt ; and these lengths can easily be obtained, either by measurement, or by cal-culation.
Problem 18. 151. To DRAW A STRAIGHT LINE WHICH SHALL BE TANGENT TO TWO GIVEN CIRCLES, WITH THE POINTS OF TANGENCY LYING UPON OPPOSITE SIDES OF '1 HE LINE JOINING THE CENTERS OF THE GIVEN CIRCLES. Fig. 114. Let C D E and F 0 H be the two given circles ; it is required to draw a tangent whose points of contact shall lie upon the opposite sides of the line A B. Under these conditions, two tangents to same circles can be drawn. Let us first draw the tangent E F. Join the center A and /I of the given gir-dles, by a straight line; produce the Hanle to-wards M, and intersecting the given circle in the point D. From D as a center, and with a radius equal to the radius of the circle 11 G F', describe a short arc, cutting the line B Min the point M; then will A M be equal to the sum of the two radii B (1 and A D. From the center A, and with the radius A M, describe the circle Al N 0. Bisect the line A B at the point K; from the point IC as a center and with If A as a radius describe the circle A I, 13 intersecting the circle M N 0 in the joint I. Through the points 1 and B draw a straight line, idso join the center A and the point / by a straight line intersecting the circle (1 /) /f: in the point IC. Through the center /1 draw a straight line perpendicu-lar to the line / 1; andu intersecting the cir-cumference /1' (; // in the point F. Through
Fig. 114
rig. 115 I 9 d raw any two circles, One larger than the other, and draw a line tangent to these circles as explained in this article. Draftsman's Method.—The draftsman will simply place the T-square in a position in which the edge of the T-square will touch each of the given circles in one point, and then draw the tangent line along the edge of the square. If it is necessary to find the exact position of the points of contact, the draftsman will, with the aid of his T and set squares, as explained in Art. 107 draw straight lines through the centers A and B of the given circles perpendicular to the tangent line, the points in which these lines cut the tangent will be the points of contact. Problem 19. 152.
TO DRAW A STRAIGHT LINE WHICH SHALL BISECT THE INCLINATION OF TWO GIVEN LINES WHEN THE POINT OF INTERSECTION OF THESE TWO LINES IS INACCESSIBLE.
.F the points g and h, describe an arc o; and from the point h, as a center and with the same radius, describe the arc n cutting the are o in the point B; through the points A and B draw the straight line A B; this line will bisect the angle g A h. Compare this construction with Art. 112. Through the point A draw a straight line perpendicular to A B, and cutting the line E Fin the point i. Bisect the line A i at the point K by the method given in Art. 110. Through the point K draw a straight line K L parallel to A B, then the line K L will bisect the in-clination of the lines C D and E F. Directions.—In the space marked Problem 20 draw any two straight lines, not parallel, then bisect their inclination as explained in this article. Draftsman's Mefhod.—When the inclina-tion of two lines is to be bisected, and these lines are drawn a considerable_distance apart
A L as he did there is room to almost any extent in which to expand and enlarge upon his work. It has time and again been set forth that with more means this school could double and treble the good work it is doing, but no one seems inclined to furnish the means. In such schools as the Massachusetts Insti-tute of Technology it is not to be expected that the tuition of students will pay the ex-penses of keeping up the school upon such a plan as is desirable. The salaries paid in-structors is almost invariably small ; nothing can or should be saved in this direction. On the contrary there is always urgent need for increasing expenses in the way of salaries. There are but few schools of this kind”in the country. If they are to do the work they ought to do they must have help. We trust President Walker's plain .presenta-tion will have the effect to call fruitful atten-tion to the ,,,ubject.
One of the subjects for discussion at the next meeting of the Western Railway Club, 175 Dearborn street, Chicago, is the weight of driving wheels and tires. It is to be introduced by Mr. C. E. Smart who believes that a large "proportion of the rapid wear of driving wheel tires and rails, is due to abra-sion caused by the ponderous rigid weight of driving wheels and tires. He favors reduc-ing the. weight of driving wheels and tires and transferring it, if necessary, to the boiler or frames v, here springs would inter-vene to soften its shock. Facts bearing on this subject are scarce. Any one having information about it, who cannot attend the meeting, January 19, would confer a favor on the club by communicating the same in writ-ing to the Secretary, Angus Sinclair, at the above address. most practicable knowledge that was the value of compounding the steam came through the use of that system mships. Now it looks as if the advan-tages of triple expansion engines would come in the same way. Years after compounding had been tried in land engines it was taken up for steam navigation, and it has proved its entire success there. But it looks now as if the triple expansion engine is to be the motor of the future for ocean steamships. There are even now prominent engineers who believe that large factory engines will soon be quite extensively triple expansion.
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. AMERICAN-MACHINIST-1887-page 8-Jan 22
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AMERICAN-MACHINIST-1887-page 8 January 22, 1887 AMERICAN MACHINIST pg 8


 AMERICAN-MACHINIST ----Jan-15-1887 page 8
Jan-22-1887 AMERICAN MACHINIST page 8

AMERICAN MACHINIST JANUARY 22, 1887

AMERICAN MACHINIST JANUARY 22, 1887
The best way to wash the paper is as follows: Let the paper soak for 15 or 20 minutes in a tank of clear water. This water must be changed frequently, as the water soon be-comes so saturated with the chemicals that it will not fully take the lines out, which will then become blue on exposure. The question was asked : How long after the paper is prepared should it be used to get the best results ? Use as soon as perfectly dry. If a drawing be made on transparent but with coal contai- ing 30 per cent., or more of gases, the matter was quite different. Anthracite could be burned in a shallow furnace, but to get anything like satisfactory results from bituminous coal the fire-box must be deep, or a large per cent. of the gases would pass off unconsumed. Anthra-cite could be very satisfactorily burned in a furnace proper for bituminous coal, but bituminous coal could very seldom be used in a furnace made for burning anthracite with- paper, parchment paper is best. This is out serious loss. Again there were so many cheaper than tracing cloth, but if time is varieties of bituminous coal that in order to money the cloth is the cheapest. Average get the best results the requirements for each exposure is 3 minutes for cloth and 25 min- must be determined from actual practice. utes for the paper. He spoke in favor of rather more than Another question asked was : If a tracing moderately rapid combustion, resulting in is made, is tracing cloth or some kind of what is called a " bright " fire. transparent paper best ? In regard to height of chimney, he quoted Cloth by all means; you can make your the advice a well-known firm of engineers pencil work on cheap paper, and trace at gave their patrons, viz., to build their chim-once, using the tracing cloth for a reference neys at least 80 feet high, and as much higher drawing while the blue prints can go in the as they are inclined to. shop. He advised engineers not to trust their eye-This is how to know the color when a print sight for a guide as to the completeness of has been sufficiently exposed : With a trac- combustion ; nothing was more likely to ing cloth negative, an edge uncovered by deceive. Every engineer should have means the cloth should be of a greenish gray with for determining how much water he was metallic scintillations. evaporating per pound of coal. The matter It can be done with dull back tracing cloth, was simple; some kind of a measuring tank by rubbing the spaces on the d ull side with a soft lead pencil.

J. J. BINGLEY.

Length of Diagranm from Pantograph Motion. Editor American Machinist: Doubtless many of your readers have been bothered when using the pantograph as an indicator reduction motion, for want of a method for determin-ing the location of the hitch pin in order to adapt the panto-graph to the stroke of the en-gine in hand, so as to produce a card of .the desired length. It is to be hoped that some day the pantograph makers will stamp a figure alongside of each hitch pin hole, showing at a glance the ratio of reduc-thm for that hole, but until that good time comes the fol-lowing plan is better than guess work or trial. Stretch out the

upon which are 1"xl" chipping pieces put on mainly for the purpose of keeping the staves apart at their joints, to leave a longitudinal opening for vent and freedom in getting them out of the casting. The stand trunnion P being then screwed into the cap K, the core barrel is ready to be swept up, which is done by setting it horizontally on horses, the trunnions P R being bearings upon which it will revolve, as well as abuttment for the sweep in gauging the diameter of the core. The core having been swept up the crane is hitched to the trunnion P, and that end of core lowered until the flange S rests on a block or plank sufficiently high to keep the body of core clear of the floor. The crane is then taken to the other end of the core and hitched to the screw hook T, seen in Fig. 3, (it having previously been screw, d to the nut K, which is to be understood as having an external as well as an internal thread upon it) and the whole core up-ended in the position seen in Fig. 3. The mould or outside part being made, the cope is then set on the core, as seen in Fig. 3. The outside and bars of this cope are cast in one piece, which has for its center a ring V turned to fit the recess seen in the core barrel shaft B. These two being true and clean it will be evident that

above incident is a good example of what trouble and anxiety a thoughtless moulder can put a foundry foreman to. From the cut of the cope it will be evident to the founder and moulder how the rest of the flask was constructed when he is here in-formed that another joint was at the line Z, and the castings were poured by two under-neath gates, one of which is seen at Fig. 1. The main runner to these gates did not pass through the body of the "cope" and "cheek," but had an independent pipe flask outside of the main flask which connected with a branch leading from the nowel -that contained the gates shown. It will be seen there was no room for a runner inside of the main flask when the moulder is told that the diameter of the flask was such as would only leave room for about 3/' thickness of sand all around the pattern. It might be well to state that in order to insure the pattern being central in the flask when it was being -‘ rammed up," that there was a seat in the pattern which fitted the cope's round bar V, and was bolted to same upon the principle the core is shown at-tached to the cope. The moulder will, of course, realize by the above that the cope was made to answer the purpose of a " follow " or " mould board," and that when the " cheek "

—Z and " Dowel" were returned up, the whole was turned over and the " false cope " removed, a joint made and the cope being replaced, it was then rammed up. In closing the mould, the " cheek " and nowel being to-gether, the core as now seen would be lowered into tilt m, and the whole would be s«mred against " head pressure " by clamping or bolting the flanges together. After the pouring, and as soon as the metal has solidified, the cope is hoisted off and the shaft .13 pulled out by means of replacing the nuts M T and unscrewing the bolt.. rod N out of the cap K, and letting the collar W come up against the shaft's end. This will permit freedom for con-traction and leave a hole where-by the staves can by hand be readily taken out of the cast- ******************************************

pin in order to adapt the panto-graph to the stroke of the en-gine in hand, so as to produce a card of .the desired length. It is to be hoped that some day the pantograph makers will stamp a figure alongside of each hitch pin hole, showing at a glance the ratio of reduc-tion for that hole, but until that good time comes the fol-lowing plan is better than guess work or trial. Stretch out the pantograph until the distance between the fulcrum pin and the pin for crosshead connec-tion is equal to the length of stroke of the engine to be indi-cated, then the distance from the fulcrum pin to the hitch pin is equal to the length of card that the pantograph, with the hitch pin in that location, will take from that engine. If this length of card is not satisfactory it is easy to adjust the hitch pin until it is satisfactory. In setting up the fulcrum post it is not necessary to pay any attention to what has just been outlined as the same length of card will be taken regardless of the location of the post. Locate the hitch pin as described, and then set the post to suit your convenience. Of course the distances given are center to center. FREDC. A. HALSEY. Tarrytown, N. Y.

Removing Borax from Steel. Editor American Machinist :

One of your correspondents asks how to remove borax from steel axles without filing. Let him try immersing in a solution of sul-phuric acid and water for a few minutes, afterwards dipping in clean hot water. He can then dry with a piece of cloth ; we use this process for work in our establishment, and can recommend it. Philadelphia. RIEHL & CLARK. •411111.. Combustion of Coal. Mr. William Kent gave an interesting talk on combustion before the Newark Association of Stationary Engineers at one of their recent meetings. After briefly outlining the theory of combustion, Mr. Kent spoke of the differ-ent requirements for burning bituminous coal as compared with anthracite. The burning of anthracite was generally a simple matter,

A NOVEL GREEN SAND CORE BARREL.
to feed from, and scales for weighing the coal. In this way an engineer could detect what might be wrong in the quality of coal or the way it was burned. By adhering to one plan of firing and management for, say a week, then trying another plan, the best one would be found. There was no way except by actual trial that these things could be determined, and the best results obtained.

Practical Drawing. Fig. 1

BY J. G. A. MEYER. FOURTEENTH PAPER. Problem 17. 149. TO DRAW A STRAIGHT LINE WHICH SHALL BE TANGENT TO TWO GIVEN CIRCLES, WITH THE POINTS OF TANGENCY LYI S G UPON THE SAME SIDE OF THE LINE JOINING THE CENTERS OF THE GIVEN CIRCLE. Fig. 113. Let A B D and F F G be the two given circles ; it is required to draw a tangent to these circles, whose points of con-tact will lie upon the same side of the line C H. Under these conditions two tangents can be drawn to the given circle, namely, one above, and one below the line C II. We will first draw a tangent above the line C Through the centers C and H draw a straight line, and produce it to meet the cir-cumference A B D in the point D ; then will D (1 be a radius of the circle A B D. From D as a center, and with a radius equal to that of the circle E G, namely NJ II, describe a small arc, cutting the line D in the point K; then K U will be the difference of the two .

EPHEN S


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. AMERICAN-MACHINIST-1887-page 9-Jan 22
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AMERICAN-MACHINIST-1887-page 9 DECEMBER 31, 1887 AMERICAN MACHINIST pg 9

AMERICAN MACHINIST
JANUARY 22, 1887 _AMERICAN MACHINIST The National Labor Tribune, of Pitts-burgh, comes out with its January 1 issue in a new dress of type and a new design of heading, which greatly improves its appear-ance. The Labor Tribune is in its fifteenth year, and is the best representative of organ-ized labor interests of any newspaper in this country. Published weekly at $2.00 per year. i5frio_ps nsiDERs. Under this head we propose to answer questions sent us, pertaining to our specialty, correctly, and according to common-sense methods. Every question, to insure any attention, must invari-ably be accompanied by the writer's name and address. If so requested, neither name, correct initials no loco:, tion will be published. (16) F. H. K., Cleveland, Ohio, will find description of the black process of copying draw-ings in the AMERICAN MACHINIST of April 19, 1884, and July 19, 1881. We do not recommend any book as the " best." (17) S. D., Passaic, N. J., will find an article on the subject of pressure on slide valves in the AMERICAN MACHINIST Of June 2, 1883. From this it will be seen that much more data than he furnishes are required. (18) J. M., New York, asks : 1. Are the working tools of a young man already in this coun-try subject to duty if sent for, they having been used? A .—Duty will undoubtedly be charged, but an explanation of what they are will probably relieve you from payment. 2. What is the duty on finished machinery ? A.-45 per cent. (19) C. C. G. asks : 1. Can a blue print of an ordinary letter be made plain enough so that it can be read easily ? A.—Yes, providing the letter paper is not too thick and the ink black. 2. What is the cost of an outfit to make the usual size of blue prints ? A .—An outfit for making blue prints twice the size of the AMERICAN MACHINIST page will cost about $4. (20) A. A. K., Bethany, Mo., writes : It is claimed that a well-proportioned hollow column, 6-inch diameter, will bear a greater crushing strain than a solid column of the same diameter. Is this right ? A.—On general principles, the solid column is the strongest. It might be possible in some eases to improve the solidity of the iron by casting on a small core, so that the hollow column would be the strongest. If you take the solid column and drill out the center, it will certainly be weaker. . (21) C. H., Jackson, Mich., asks : How (41.11 I mark a warns on stool by 1.111if acid ? A of wheel. You can calculate the weight cf rim by calculating the number of cubic inches in it, then multiplying by .26. 2. Which makes the best set-ting for an automatic engine, stone well cemented, or hard-burned brick ? A.—There is nothing quite equal to large, smooth stone ; hard-burned brick, however, makes a good foundation. 3. In return tubular boilers about what per cent. of saving is made by returning the products of combustion over the top of the boiler ? A.—Nothing. 4. Is it advisable to set an engine foundation on plank when there is water on the bottom of pit ? A.—No. Use large stone at the bottom, laid in hydraulic cement. (26) J. 0. writes : Scientific authorities tell us that if we have two surfaces in contact, one of them moving upon the other (as for instance, the surfaces of the locomotive driving wheel and the rail), the coefficient of friction cannot be increased by increasing the velocity of the surfaces. If this is the case, why is it that runners always put on steam when they find that their driving wheels are slip-ping ? A.—Competent locomotive engineers will never put on steam when the driving wheels are slipping. If you will watch them carefully, you will find that in starting the engineer opens the throttle valve very cautiously, and, as the speed of train increases, the throttle is slowly opened wider. Sometimes the engineer opens the throttle too fast, and thus will cause the driving wheels to slip, but will not allow them to do so for any length of time. (27) J. M. C. writes : I have an engine, cylinder 26"x42" ; piston travel, 560 feet per min-ute; steam pressure, 70 lbs. It is a Corliss cylin-der. I want to bore it out so as to put in a different piston. What thickness of iron in cylinder would be the limit of safety ? It is now 1%" at counter bore and 1%" piston bore. How can I find the length of one side of a triangle (acute) when the length of the others are given, and the three angles known, without referring to a table of sines and cosines? Mention some reliable works on trigonometry. A.-1. In the AMERICAN MACHINIST of August 22d, 1885, page 2, you will find an article on the thick-ness of metal in cylinders. Adopting the rule there given, namely : (Dlianini.nocfaecsyl. spteera square upressureare x 0001 ) -I-.15, /Diam. of cyl. V in inches. = thickness of metal in cylinder. Hence (26 X 70 X .0001) + .15 v26=.947 of an inch ; say, 1 inch for the thickness of cylinder. We believe that % of an inch will be the limit of safety for the thickness of metal. 2. You will find the rules for calculating the sides of an acute-angled triangle in Davies' Legendre, or Loomis's Geometry. USII1ESS PECKS Transient Advertisements 50 cents a line for each St. John Improved Self-adjusting Cylinder Pack-ing, for marine and stationary engines and locomo-tives ; applicable to water, air, oil and ammonia pumps. For durability and minimum of friction, it is unexcelled. Send for pamphlet. Address, Bal-ance Valve and Piston Packing Co., room 58, 280 Broadway, New York. Patent Binders for the AMERICAN MACHINIST, holding a complete volume (52 issues), simple, neat, durable. Price, $1, prepaid, to any part of the United States by mail. To Canada or foreign coun-tries the price will be 75c. ; purchasers pay express charges and customs duties. AM. MACHINIST PUB'G CO., 96 Fulton st., N. Y. " Indicator Practice and Steam Engine Economy." By F. F. Hemenway. Contains plain directions for using the indicator, and making all required calcu-lations from the diagram ; also the principles of economy in operating steam engines, and current practice in testing engines and boilers. Price, $2 post-paid. Published by John Wiley & Sons, 15 Astor Place, New York. The St. Paul and Duluth Railroad will build new shops at St. Paul in the spring. The Remington Machine Company, Wilmington, Del., will erect a brass foundry. J. J. & J. Leonard, Dalton, 0., are erecting an addition to their stove foundry. Blossoms & Merrill, St. Paul, Minn., will erect a $25,000 sash, door and blind factory. V. H. Beerman will erect a $30,000 store and fac-tory at Frankfort and Pearl streets, New York. A new cotton factory will be erected in Athens, Ala. John L. Tanner, of that place, is interested. Knebel & Co., of Pierron, Ill., contemplate estab-lishing a new factory for extracting oil from cotton `seed. Edwin A. Merritt, Jr., of Potsdam, N. Y., con-templates the erection of a paper mill at Hannawa Falls. The Universal Radial Drill Company, of Cincin-nati, has lately sent a No. 3 drill to the Brooklyn Navy Yard. The Ansonia Brass and Copper Company, An-sonia, Conn., is building a brick shop, 80x200, for rolling copper. It is reported that parties from. Minneapolis, Minn., have secured ore lands at Isbell, Ala., and will erect' a blast furnace. It is probable that a company with a large capital will be formed at Nashville, Tenn., to start a manufacturing town near that city. It is reported that the machine shops of the St. Louis, Iron Mountain and Southern Railroad, at Little Rock, Ark., are to be enlarged. George W. Dudley, Moses Bros. and others are forming a company to build stove works at Mont-gomery, Ala. The capital stock will be $50,000. William C. Harris, of Mercer, Pa„ has been awarded the contract of erecting the buildings for A company is being organized at Beaufort, S C., to construct water-works and artesian wells to sup-ply the town with water. The incorporators are C. Townsend, W. T. Seward, Geo. Holmes and others. The new Bessemer steel works at Wareham, Mass., will consist of a building 120x60 feet. In the steel works will be placed two three-ton Clapp-Griffiths converters, each capable of turning out nine to twelve tons an hour. T. New Manufacturing Company has been incor-porated, to make paving and roofing materials, on a capital of $200,000 ; shares, 2,000. Trustees are T. New, of Brooklyn, N. Y. ; Edwin E. Dickinson, and Lewis W. Harrington, of New York. igeport Forge Company, Bridgeport, e recently made an addition, 100x60 eir hammer shop. This is the fourth aich has been made in this department start in business but a few years since. geport Copper Company, Bridgeport, adding to their plant a new building 60 feet ; they are also increasing their the refining department by two more. any will also probably build a new roll- The Bric Conn., hays feet, to th addition wi since their The Bric Conn., are about 100x furnaces it This compi ing mill. The Balt Southwest€ last week others, hal, machine F stock is $20 The Sib Falls, N. apparatus has been 800 in servi any other i There is at Newport party is sa A meeting meeting wi ness from e Can ntly is th t more Manufacturers' Record says : " The rn Iron Works, Louisville, Ky., reported as incorporated by Alfred Bell and e erected a foundry, 60x100 feet, and a hop, 40x80 feet. The paid-up capital 000. " by Manufacturing Company, Seneca Y., issue an illustrated catalogue of fire made by them. Their rotary fire engine a use for thirty years, and there are over ce, which is claimed to be more than of make in the world a prospect of a new cotton manufactory , N. II., to employ 100 hands. A Boston id to be at the head of the enterprise. of capitalists has been held, and a town 11 probably be held to exempt the busi-axation for a term of years. Th Cam Iron Company is reported to have rece sued a notice to its employes, telling them in future they will allow the employes to take stock in the company's store, and that they will issue coupons to the buyers of their stock in order to enable them to have a share in can. Manufacturer. E. II. Brownell & Co., Dayton, have recently taken orders for six 60" by 16 feet boilers for par-ties in Sandusky, 0., and one of same size for a company in Milwaukee. They are building a smoke-stack, on order, 72" by 60 feet, an oil tank, and several Brownell heaters. Business is good and the outlook bright. The New Howe Manufacturing Company, of Bridgeport, Conn., will occupy a portion of the now idle works of the Howe Sewing Machine Com-pany. The company is composed of prominent capitalists, and will start up about January 15th, employing 200 men. They will make sewing ma-chines and other machinery.
. AMERICAN-MACHINIST-1887-page 10-Jan 22
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AMERICAN-MACHINIST-1887-page 10 January 22, 1887 AMERICAN MACHINIST pg 10

AMERICAN MACHINIST MANUFACTURERS OF STEAM ENGINES
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GINE TUBULAR BOILERS. GEOBARNARD AGENT - Branch Office, 130 Washington St. PHILADELPHIA. CHICAGO. OVER 25,000 ENGINES IN USE. "GUARANTEED Engine\ Eclipse Corliss Engine. Non-Condensing, Condensing, Compound, 40 TO 1,000 H.P. Send for Circulars. E.P, HAMPSON & CO 36 CORTLANDT ST., NEW YORK, Sole Eastern Agents. M. J. TIERNEY,

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Superior Design Workmanship, Extra Ileavy (1500 ibS.) DOWN, ANGULAR AND CROSS-FEED, TO PLANE 12x16x15. THE R. A. BELDEN CO., DANBURY, CT.

Brain's Piston Ring Packing
7---* Perfectly balanced against un-due pressure in all directions. Preserves both cylinder and rings. Allows no waste by either friction or leakage. Call and see working model, expressly made to demonstrate advantage s claimed. For packing or shop rights, address JAMES BRANDON, 390 Eleventh Ave., New York.

Machine Tools. New and Second-hand, on Hand. t2 in.x6 ft. Engine Lathe, new 13 in.x6 ft. 64 Ames, 14 in.x6 ft. Si Blaisdell, 66 16-20 m..x.6-8-10 4t 12 ft. Bridgeport TV' if 16 in.x6 Blaisdell, 18 in.x8 ft. " Blaisdell, 66 24 in.x10-14 dc 20ft. " Ames, fif 23 in. x,, -12 & 14 1-2 ft." Bridgeport, 66 24 in.x16 ft. New Haven, good order. 30 in.x14 ft. if W. and L. pattern, new. 39 in x 15 ft. Eng. Lathe Lowell, 54 in.x30 ft. Engine Lathe, Niles, good as new 16 in.x42 in. Planer Bridgeport, new. 22 in.x4 ft, 46 Pease, new. 22 in.x6 ft. 46 Powell, 22 in.x5 ft. g 6 Hendey, new. 26 in.x5 ft. ' Biglow, good. 26 in.x7 ft. Brettell, new. 30 in.x7 ft ii New Haven, fair. 30 in.x8 ft. " Hewes & Phillips, new. 30 in.x10 ft. 6 f Powell. 12 in. Shaper, Traveling Head, new. 1.2 in. ' Hewes & Phillips, 13 in. Stroke, 9 ft. Bed, Tray. Head Shaper, Barr, A 1. 24 in. Shaper, Bridgeport, 24 in. " Wolcott, 32 in. Drill, Bickford, A 1. No. 1 Screw Machine, Wire Feed, Pratt & Whitney 16-18-20-23 25-28-34 in. Drills. 30 in. Radial Drill. No. 5 Screw Machine. Jones & Lamson. No. 2 Die Sinker, Pratt & Whitney. new. Center Bolt Cutter, new. 5 in Cutting Off Machine. Star. Merrill Drops, 800 lbs. good order. Bement 2250 lb. Steam Hammer. Milling Machines, Screw Machines, Slate Sensitive Drills. Gang Drills, and full line of all kinds of Machine Tools. Send for list and specify what is wanted. new.

72 Warren Street and 62 .illege Place, New York. PATENT UNIVERSAL SCREW-CUTTING CENTER
DEPTHKV1 ANGLEc AND J. TWIST DRILL GAUGE. Fine Machinists' Tools.E. Boston, Mass”Send for Circular



To Buyers of Engine Lathes
We are now making from entirely new designs, extra heavy 17", 19", 21", 24" and 27" Engine Lathes (the most popu-lar sizes), of which we are making a ripecialty, and manufacturing in lots 01 not legs thapt1100 at a time. We make no charge for extras. Every lathe is furnished with hollow spindle ; the 19" with lx" hole, and 21' with 17/6" hole. Every lathe has substantial com-pound rest,heavy tool post (bar steel), rest to turn full swing, following rest with adjustable jaws to take any size from 234' down, with extra tool for shafting. Full set of gears to cut from 2 to 18 threads including 113 pipe thread. Automatic stop on carriage. Separate screw and rod feed, and the most substantial and easily managed taper attachment made. Cones and gears of large diam-eter and wide belt. Studs, screws and small gears are steelor gunmetal. Webbed live heads, heavy tail stocks. No worm or worm gears, no weak reverse plate. Perfect lubrication for all running parts, including carriage. Lead screw inside of shear, double nut (cut from solid), and taking hold of car-riage directly under the line of strain. Friction counter-shaft, the most dura-ble made. Our prices are reasonable for cash, and from which no deviation will be made. Our written guarantee accompanies every lathe.

GUARANTEE.
We guarantee this lathe to be equal in workmanship, truth, accuracy, solidity, Material and finish, to the best made, and hold ourselves legally liable for this guarantee.

LODGE, DAVIS & CO.
MANUFACTURERS
Machine Tools, 169, 161, 163 and 165 EGGLESTON AVE., 06. 138,146, 148, 150.152, 154 E. 6th St, CINCINNATI, OHIO. (See our advertisement on last page.)

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 AMERICAN-MACHINIST-Jan-22-1887 page 11

JANUTARY 22, 1887 AMERICAN MACHINIST page 11--- 26330
JANUARY 22, 1887 NICHOLSON FILE CO. Files mi Rasp FILE CARD. SOLE MFRS. OF FILE BRUSH. Having the Increment Cut. The illustrations herewith presented, exhibit more convenient and durable forms of File Cleaners than are usually found, the majority of those in use being rudely devised and troublesome, and we believe for this reason, those of our manufacture will find a ready sale . Machinists and others who have not already given them a trial, will find it to their advantage to order the File Card and File Brush at once. Manufactory and Office, MID ID I OILY/ CVSBELOW THE HANCOCK INSPIRATOR, THE STANDARD BOILER FEEDER FOR ALL CLASSES OF BOILERS. OVER 85,000 IN USE. Send for Circulars and Price Lists. THE HANCOCK INSPIRATOR CO. OFFICE, 33 INDIA WHARF, BOSTON, MASS. HE NEW "CRESHAIIII" PATENT AUTOMATIC INJECTOR RE—STARTING " Invaluable for use in Traction, Farm, Portable Marine and. Stationary Boilers of all kinds. No handles required. Water supply very difficult to break. Capability of restarting automatically, immediately after interruption to feed from any cause." SEND FOR CATALOCUE. RELIABLE AND CHEAP. Sole Manufacturers in the United States & Canada, NATHAN MANUFACTURING CO, 92 & 94 LIBERTY ST., NEW YORK. "CUSHMAN" CHUCKS Th. Tshno—Chemical Receipt lock, Now Ready. The Techno-Chemical Receipt Book. Containing Several Thousand Receipts, covering the Latest, most Important, and most Useful Discoveries in their Prat:tie:n.1 Annlication in Endless Pol-ishing Belt Ma-chine for Re-moving Scale anti Polishing irregular pieces of Work. Send for Price _List. LeCount's Light Steel Dog No. 1 23 4. 5 6 7 INCH. ..% • 1 ..... 1% 1, WI PRICE. $ .35 .35 50 .60 75 . .85 1.00 No. INCH. PRICE. 8 2 $1.10 Small Set of 8-5.509. .2% 1.40 10 3 . ... 1.50 11. 3 1.70 12 .4 1.90 Full Set of 12-12.00 C. W. LE COTJN 9r, SOUTH NORWALK, CONN. UNION STONE CO., 33 0 S T 0 N, MASS. SIZES : 13i in. wide, 2 cc 3 4 cc cc cc Endless Belts of Any Length and Width, to Order. H. W. JOHNS' E i< CORDED SHEATHING. A Fire-Proof Non-Conducting Covering for HEATER AND STEAM PIPES IN CELLARS, ETC. H. W. JOHNS' TAR S" STOVE & FURNACE CEMENT. A fire and acid proof material for cementing and repairing j oints in Heaters, Fur-naces, Stoves, Ranges, etc. PREPARED READY FOR USE. H. W. JOHNS MANUFACTURING COMPANY, 87 MAIDEN LANE, NEW YORK. -CHICAGO.-o-PHILADELPHIA.-0-LONDON.---- SOLE MANUFACTURERS OF H. W. JOHNS' ASBESTOS LIQUID PAINTS, ASBESTOS ROOFING. STEAM PIPE AND BOILER COVERINGS, STEAM PACKING, FIRE St WATER PROOF SHEATHING, PLASTIC STOVE-LINING, ETC. w PAMPHLET ON " STEAM-SA VING AND FIRE-PROOF MATERIALS," FREE BY MAIL. Our new REDUCING VALVE will reduce and maintain an even pres-sure in steam-heating coils, etc., as low as one pound, regard-less of the initial pressure. Sent on 30 days tri al to respon-Ri hl r- For FIRE
AMERICAN-MACHINIST-1887-page 15-Dec-31
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 AMERICAN-MACHINIST-1887 page 12 pg 12

JANUARY 15, 1887 JANUTARY 1, 1887 AMERICAN MACHIN1ST 12 Morse Twist Drill and Machine Company, New Ledford, Mass. Manufacturers of Morse Patent Straight-Lip Increase Twist Drills. SOLID AND SHELL REAMERS, BEACH'S PATENT SELF-CENTERING CHUCK. BIT STOCK DRILLS. DRILL GRINDING MACHINES, MILLING CUTTERS AND SPECIAL TOOLS TO ORDER. Double lotgloyou Shear NIECES & JONES, WILMINGTON, DEL. We claim many advantages in this tool over any other style made : Being double, it will cut either right or left ; Its knives are of a proper height for convenience of working ; It will cut a bar square off or on a bevel ; Being supplied with a clutch, it can be stopped instantly. It is a serviceable tool for bridge building, ship build-ing. or any kind of ..-ailroad work. It is the machine for shop work, as the knives can be changed to cut round, flat and square iron THREE SIZES. Grinds Drills to 15A in. inclusive. ANY ONE CAN USE IT. THE HOUGH TWIST DRILL GRINDER MACHINERY Reducing ancl Pointing Wire. • Especially adapted to pointing wire rods and wire for drawing. For Machines or information, address the manufacturer. S. W. GOODYEAR. Waterbury, Ct , New Haven Manf'g Co. NEW HAVEN, CONN. IRON-WORKING MACHINERY. American Twist Drill Company's PATENT CHUCK JAWS. Three sizes. Price per set of 4 Jaws,$40, $48, $56. Bolted to lathe face plates, they make best and cheapest chuck in the world Address orders, HILL, CLARKE & CO., Boston and St, Louis, MANNING, MAXWELL & MOORE, N . Y. City, TALLMAN & McFADDEN, Philadelphia, Pa., or WM. BINGHAM & CO., Cleveland, Ohio, L. W. Pond Machine Co. Manufacturers of and Dealers in IRON WORKING MACHINFR V. Iron Planers A Specialty. 140 union St. Worcester, MASS. D. SAUNDERS' SONS MANUFACTURERS OF THE ORIGINAL TRADE L X. L. MARK; Pipe Cutting 2 Threading Machine. cd BEWARE OF IMITATIONS. None genuine without our Trade-mark and Name. STEAM AND GAS-FITTERS' HAND TOOLS, Pipe Cutting and Threading Machines, for Pipe Mill Use, a Specialty. lend for Circulars. YONKERS, N. Y. Lubricate Your Engine Cylinders FOX,TURRET &SPEED LATHES AND BRASS FINISHERS' TOOLS, CAGE MACHINE WORKS WATERFORD, N. Y. perfectly, gain power and save oil by using our Patent Automatic Sight Feed Lubri-cators, showing oil as it enters, drop by drop. The Seibert Cylinder Oil Cup Co. II. A. ROGERS, Agent for New York. .19 John Street, New York. Lyncie's Pat. POD SafotY Valves Adapted to all Boilers. 3. E. Lonergan & Co., Sole Owners and Manurrs PHILA., PA. Barnes' Pat Engine Lathe 15-inch swing, 6-foot or 8-foot Bed. These machines are made a specialty in our factory they have advantages not found in other machines in this ENglisa,,InadtVisni nigaRIdactint Lathes, Upright well & Moore, 111 Liberty Street, New York. For Hand and Power, 6", 8 ' and 10" Stroke. Adapted to all Classes of Work to their capacity. CIRCULARS FURNISHED. BOYNTON & PLUMMER, Worcester, Mass. P. BLAISDELL 14 CO. Manufacturers of achiniste Tools. WORCESTER. MASS. arnes' Pat. Upright Drills TT. [11. rat WATERFORD, N. Y. SHAPING MACHINES For Hand and Power, 6", 8 ' and 10" Stroke. Adapted to all Classes of Work to their capacity. Barnes' Pat Engine Lathe 15•inch swing,6-foot or 8-foot Bed. These machines are made a specialty in our factory , they have advantages not found in other machines in this line. It will pay parties desiring to purchase, or know more about this _clam of machines, to seLd for full description and prices. W. F. & JOHN BARNES CO. 1995 MainSt., Rockford, III. NM OUR"IXT" Calg10010 of Tot and Supplies sent free to any address on receipt of Ten Cent, in Stamps (for postage). CHAS. A. STRELINGER & CO , wAz),!! Detroit, Micl, ILL L. S. STARRETT, Manufacturer of FINE TOOLS ATHOL, MASS. SEND FOR FULL Lisp. ENGINE rl Drills LnadtRisl,linlial4d Lathes, Foot Lathes, Upright Agents, Manning, Max. well & Moore, 111 Libgertyagtrienee:, New York. CIRCULARS FURNISHED. BOYNTON & PLUMMER, Worcester, Mass. TM Almond Coupling AN EW quarter turn motion to replace qii ►rter turn belts and bevel gears. T. H. ALMOND, Mfr., 83 0 80 Wallington Street BROOKLYN, N. Y. AMONO
AMERICAN-MACHINIST-1887-page 15-Dec-31
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 AMERICAN-MACHINIST-1887 page 13
pg 13

JANUARY 22, 1887 Page 13---- JANUTARY 22, 1887 AMERICAN MACHIN1ST 13 Morse Twist Drill and Machine Company, New Ledford, Mass. Manufacturers of Morse Patent Straight-Lip Increase Twist Drills. SOLID AND SHELL REAMERS, BEACH'S PATENT SELF-CENTERING CHUCK. BIT STOCK DRILLS. DRILL GRINDING MACHINES, MILLING CUTTERS AND SPECIAL TOOLS TO ORDER. Double lotgloyou Shear NIECES & JONES, WILMINGTON, DEL. We claim many advantages in this tool over any other style made : Being double, it will cut either right or left ; Its knives are of a proper height for convenience of working ; It will cut a bar square off or on a bevel ; Being supplied with a clutch, it can be stopped instantly. It is a serviceable tool for bridge building, ship build-ing. or any kind of ..-ailroad work. It is the machine for shop work, as the knives can be changed to cut round, flat and square iron THREE SIZES. Grinds Drills to 15A in. inclusive. ANY ONE CAN USE IT. THE HOUGH TWIST DRILL GRINDER MACHINERY Reducing ancl Pointing Wire. • Especially adapted to pointing wire rods and wire for drawing. For Machines or information, address the manufacturer. S. W. GOODYEAR. Waterbury, Ct , New Haven Manf'g Co. NEW HAVEN, CONN. IRON-WORKING MACHINERY. American Twist Drill Company's PATENT CHUCK JAWS. Three sizes. Price per set of 4 Jaws,$40, $48, $56. Bolted to lathe face plates, they make best and cheapest chuck in the world Address orders, HILL, CLARKE & CO., Boston and St, Louis, MANNING, MAXWELL & MOORE, N . Y. City, TALLMAN & McFADDEN, Philadelphia, Pa., or WM. BINGHAM & CO., Cleveland, Ohio, L. W. Pond Machine Co. Manufacturers of and Dealers in IRON WORKING MACHINFR V. Iron Planers A Specialty. 140 union St. Worcester, MASS. D. SAUNDERS' SONS MANUFACTURERS OF THE ORIGINAL TRADE L X. L. MARK; Pipe Cutting 2 Threading Machine. cd BEWARE OF IMITATIONS. None genuine without our Trade-mark and Name. STEAM AND GAS-FITTERS' HAND TOOLS, Pipe Cutting and Threading Machines, for Pipe Mill Use, a Specialty. lend for Circulars. YONKERS, N. Y. Lubricate Your Engine Cylinders FOX,TURRET &SPEED LATHES AND BRASS FINISHERS' TOOLS, CAGE MACHINE WORKS WATERFORD, N. Y. perfectly, gain power and save oil by using our Patent Automatic Sight Feed Lubri-cators, showing oil as it enters, drop by drop. The Seibert Cylinder Oil Cup Co. II. A. ROGERS, Agent for New York. .19 John Street, New York. Lyncie's Pat. POD SafotY Valves Adapted to all Boilers. 3. E. Lonergan & Co., Sole Owners and Manurrs PHILA., PA. Barnes' Pat Engine Lathe 15-inch swing, 6-foot or 8-foot Bed. These machines are made a specialty in our factory they have advantages not found in other machines in this ENglisa,,InadtVisni nigaRIdactint Lathes, Upright well & Moore, 111 Liberty Street, New York. For Hand and Power, 6", 8 ' and 10" Stroke. Adapted to all Classes of Work to their capacity. CIRCULARS FURNISHED. BOYNTON & PLUMMER, Worcester, Mass. P. BLAISDELL 14 CO. Manufacturers of achiniste Tools. WORCESTER. MASS. arnes' Pat. Upright Drills TT. [11. rat WATERFORD, N. Y. SHAPING MACHINES For Hand and Power, 6", 8 ' and 10" Stroke. Adapted to all Classes of Work to their capacity. Barnes' Pat Engine Lathe 15•inch swing,6-foot or 8-foot Bed. These machines are made a specialty in our factory , they have advantages not found in other machines in this line. It will pay parties desiring to purchase, or know more about this _clam of machines, to seLd for full description and prices. W. F. & JOHN BARNES CO. 1995 MainSt., Rockford, III. NM OUR"IXT" Calg10010 of Tot and Supplies sent free to any address on receipt of Ten Cent, in Stamps (for postage). CHAS. A. STRELINGER & CO , wAz),!! Detroit, Micl, ILL L. S. STARRETT, Manufacturer of FINE TOOLS ATHOL, MASS. SEND FOR FULL Lisp. ENGINE rl Drills LnadtRisl,linlial4d Lathes, Foot Lathes, Upright Agents, Manning, Max. well & Moore, 111 Libgertyagtrienee:, New York. CIRCULARS FURNISHED. BOYNTON & PLUMMER, Worcester, Mass. TM Almond Coupling AN EW quarter turn motion to replace qii ►rter turn belts and bevel gears. T. H. ALMOND, Mfr., 83 0 80 Wallington Street BROOKLYN, N. Y. AMONO

AMERICAN-MACHINIST-1887-page 15-Dec-31
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 AMERICAN-MACHINIST-1887 page 14 pg 14

JANUARY 22, 1887 JANUTARY 22, 1887 AMERICAN MACHINIST page 14
Morse Twist Drill and Machine Company, New Ledford, Mass. Manufacturers of Morse Patent Straight-Lip Increase Twist Drills. SOLID AND SHELL REAMERS, BEACH'S PATENT SELF-CENTERING CHUCK. BIT STOCK DRILLS. DRILL GRINDING MACHINES, MILLING CUTTERS AND SPECIAL TOOLS TO ORDER. Double lotgloyou Shear NIECES & JONES, WILMINGTON, DEL. We claim many advantages in this tool over any other style made : Being double, it will cut either right or left ; Its knives are of a proper height for convenience of working ; It will cut a bar square off or on a bevel ; Being supplied with a clutch, it can be stopped instantly. It is a serviceable tool for bridge building, ship build-ing. or any kind of ..-ailroad work. It is the machine for shop work, as the knives can be changed to cut round, flat and square iron THREE SIZES. Grinds Drills to 15A in. inclusive. ANY ONE CAN USE IT. THE HOUGH TWIST DRILL GRINDER MACHINERY Reducing ancl Pointing Wire. • Especially adapted to pointing wire rods and wire for drawing. For Machines or information, address the manufacturer. S. W. GOODYEAR. Waterbury, Ct , New Haven Manf'g Co. NEW HAVEN, CONN. IRON-WORKING MACHINERY. American Twist Drill Company's PATENT CHUCK JAWS. Three sizes. Price per set of 4 Jaws,$40, $48, $56. Bolted to lathe face plates, they make best and cheapest chuck in the world Address orders, HILL, CLARKE & CO., Boston and St, Louis, MANNING, MAXWELL & MOORE, N . Y. City, TALLMAN & McFADDEN, Philadelphia, Pa., or WM. BINGHAM & CO., Cleveland, Ohio, L. W. Pond Machine Co. Manufacturers of and Dealers in IRON WORKING MACHINFR V. Iron Planers A Specialty. 140 union St. Worcester, MASS. D. SAUNDERS' SONS MANUFACTURERS OF THE ORIGINAL TRADE L X. L. MARK; Pipe Cutting 2 Threading Machine. cd BEWARE OF IMITATIONS. None genuine without our Trade-mark and Name. STEAM AND GAS-FITTERS' HAND TOOLS, Pipe Cutting and Threading Machines, for Pipe Mill Use, a Specialty. lend for Circulars. YONKERS, N. Y. Lubricate Your Engine Cylinders FOX,TURRET &SPEED LATHES AND BRASS FINISHERS' TOOLS, CAGE MACHINE WORKS WATERFORD, N. Y. perfectly, gain power and save oil by using our Patent Automatic Sight Feed Lubri-cators, showing oil as it enters, drop by drop. The Seibert Cylinder Oil Cup Co. II. A. ROGERS, Agent for New York. .19 John Street, New York. Lyncie's Pat. POD SafotY Valves Adapted to all Boilers. 3. E. Lonergan & Co., Sole Owners and Manurrs PHILA., PA. Barnes' Pat Engine Lathe 15-inch swing, 6-foot or 8-foot Bed. These machines are made a specialty in our factory they have advantages not found in other machines in this ENglisa,,InadtVisni nigaRIdactint Lathes, Upright well & Moore, 111 Liberty Street, New York. For Hand and Power, 6", 8 ' and 10" Stroke. Adapted to all Classes of Work to their capacity. CIRCULARS FURNISHED. BOYNTON & PLUMMER, Worcester, Mass. P. BLAISDELL 14 CO. Manufacturers of achiniste Tools. WORCESTER. MASS. arnes' Pat. Upright Drills TT. [11. rat WATERFORD, N. Y. SHAPING MACHINES For Hand and Power, 6", 8 ' and 10" Stroke. Adapted to all Classes of Work to their capacity. Barnes' Pat Engine Lathe 15•inch swing,6-foot or 8-foot Bed. These machines are made a specialty in our factory , they have advantages not found in other machines in this line. It will pay parties desiring to purchase, or know more about this _clam of machines, to seLd for full description and prices. W. F. & JOHN BARNES CO. 1995 MainSt., Rockford, III. NM OUR"IXT" Calg10010 of Tot and Supplies sent free to any address on receipt of Ten Cent, in Stamps (for postage). CHAS. A. STRELINGER & CO , wAz),!! Detroit, Micl, ILL L. S. STARRETT, Manufacturer of FINE TOOLS ATHOL, MASS. SEND FOR FULL Lisp. ENGINE rl Drills LnadtRisl,linlial4d Lathes, Foot Lathes, Upright Agents, Manning, Max. well & Moore, 111 Libgertyagtrienee:, New York. CIRCULARS FURNISHED. BOYNTON & PLUMMER, Worcester, Mass. TM Almond Coupling AN EW quarter turn motion to replace qii ►rter turn belts and bevel gears. T. H. ALMOND, Mfr., 83 0 80 Wallington Street BROOKLYN, N. Y. AMONO
1500 1500 3000
15. AMERICAN-MACHINIST-11887-page 15-Dec-31
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15  AMERICAN-MACHINIST-1887 page 15

15 JANUARY 1, 1887 AMERICAN MACHINIST pg 15

NICHOLSON FILE COMPANY, Sole Mfrs. of
FILES and RASPS Having the Increment Cut, also, FILERS' TOOLS and SPECIALTIES.
The above illustration represents a device in which files may be held for service in surface filing, and while in this condition READILY SPRUNG, in order to give at the will of the operator, more or less convexity to the working face of the file. It does away with unnsna I care to obtain a true convexity or "belly" to file sides, and in fact renders great service by enabling the operator to utilize the file to its full capacity. SURFACE FILE HOLDER No. 4, Adapted to Hold Files 12, 13 14 in. Long. 14,15,16 " Si 5, Ci 46 it
MANUFACTORY AND OFFICE - PROVIDENCE, R. I., U. S. A.

THE HANCOCK INSPIRATOR. THE STANDARD BOILER FEEDER FOR ALL CLASSES OF BOILERS. OVER 85 000 IN USE. Send for Circulars and Price Lists. THE HANCOCK INSPIRATOR CO. OFFICE, 33 INDIA WHARF, BOSTON, MASS. HE NEW "GRESHAM" PATENT AUTOMATIC INJECTOR RE-STARTING

" Invaluable for use in Traction, Farm, Portable Marine and Stationary Boilers of all kinds. No handles required. Water supply very difficult to break. Capability of restarting automatically, immediately after interruption to feed from any cause." SEND FOR CATALOCUE. RELIABLE AND CHEAP. Sole Manufacturers in the United States & Canada,

NATHAN MANUFACTURING CO, 92 & 94 LIBERTY ST., NEW YORK. ROOTS' NEW ACME HAND — BLOWER, For Blacksmiths, etc. Slow Speed, Positive Blast. Is Durable Compact and Cheap, also Portable Forges, Tuyere Irons and Foundry Blowers.

STEAM ENGINE, ETC. DUBOIS' Weisbach's Steam Engine, 8vo cloth, $5 00 DUBOIS' Rontgen's Hot Air Gas and Steam Engines, 8vo cloth • • • • 5 00 CLERK'S Gas Engine, 12mo, cloth ........... 2 50 GRIMSHAW'S Steam Engine Catechism, 18mo, cloth 1 00 MAW'S Chief Types Modern Marine Engines. folio, one half morocco 18 00 SINCLAIR'S Locomotive Engine, 12mo,cloth, 2 01) "THURSTON'S Stationary Engines for. Elec-SEBASTIAN , MAY & COMPANY'S Improved Screw Cutting root or Power Lathes

C. W. LE COUNT," South. Norwalk, Conn. REDUCED PRICE OF LE COUNT'S • HEAVY STEEL DOG a No. Inch. Price. 1171Z '4=2 2 1-2.." ,O) e g", cD., 2 F.,. 3 5-8 .60 . c(?; 4 3-4 60 cn co ,73 5 7-8 .70 b 0 6....1 70 cr3 1-1,„ c-o-, S 7-...1 M.__ 80 Ss'o 8....1 1-4 ,80 o m . . If ; tg. - 13....2 1-4 1.35 go ?o" 'ne4 14....2 1-2 15. U .. 1.454 g...0 Cn ....3 1.60 .4 16....3 1-2 1 .80 Er 0 CD ti+-4 17....4 2 10 0 g 18....4 1-2 2.75 A 4. 19.___5 3.25 coo Full set of 19,1323.60 r, cro. 20 (ext.) 5 1-2 4.00 o E. 21 (ext.) 6 5.00 One Small Set of 8-by 1-4 inches to 20 inch . 5 6.15 One bet of 12-by 1-4 in. to 2 in „continued by 1-2 in. to 4 in. 13.20 Catalogue of Lathes, Drill Presses and Machinists' Tools and Supplies mailed on appli-cation. Lathes on Trial. 167 W. Second St.,Cincinnati, 0. E. P. B. SOUTHWORTH, 94 Exchange street, Rochester, New York. Indicating Engineer and Mechanical Draftsman. Correspondence solicited.

ON HAND FOR IMMEDIATE li DELIVERY ONE 60" PLANER

FOR WOOD AND IRON CEARS—SPUR OR BEVEL. WILLIAM GLEASON, Manufacturer of Machinists' Tools, ROCHESTER, N. Y.
CONE PULLEY BEET SHIFTER.
With
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15. AMERICAN-MACHINIST-11887-page 15-Dec-31
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AMERICAN-MACHINIST-1887 page 16 16 Jan 22, 1887 AMERICAN MACHINIST pg 15

AMERICAN MACHINIST JANUARY 22, 1887

16 AMEICAN MACHINIST

JANUARY 22, 1887 IMO-1W & S I-I A. RIP 111 . CCI., Manufacturer of MACHINERY & TOOLS, Description of No. PROVIDENCE, R. I. 3 Plain Milling Machine. We have in our works and in constant use, about one hundred Milling Machines, and our experience with them has demonstrated that for manufacturing purposes where many duplicate pieces are required, that the best work is produced and the most econ-omical results obtained from machines that are con.- 1 pact and solid, so arranged that t he pieces operated upon can he quickly placed in position and quickly removed after the cut is taken. We have designed a line of Milling Machin es for manufacturing purposes, combining the above de-sirable qualities, of which the No. 3 Plain Milling Machine is a type, and by their use we have sound it practicable to produce from10 to 20 per cent. more work in a given time than we could possibly obtains from any other type of a milling machine on the same work. The Spindle is driven by a gear and pinion from a three-step cone with 3" belt. It has a vertical adjustment of 6". The Table is 9" wide, 27" long, and has-12" longi-tudinal and 4" transverse movement and is moved longitudinally 2" by one turn of the hand-wheel. Tlae Feed is automatic with three changes, stopping automatically at any required point. The Vise has jaws 6Y8" long, 1 7-16" deep, and will open 33/8", Counter-shaft has pulleys 10" diam. for 3" belt, and should run about 375 turns per minute • The Price includes vise, counter-shaft, wrenches, &c , delivered f. o. b. at Providence, It. I, Weight, 25501bs

Car Wheel and RAILROAD, LOCOMOTIVE AND CAR SHOP EQUIPMENTS Photographs and Prices on Application. NILES TOOL WORKS, Hamilton, Ohio. NEW YORK, PHILADELPHIA, CHICAGO, I•1•011=•111=111, 96 Liberty St. 713 Chestnut St. 96 Lake St. Axle Machinery.

OVERHEAD TRAMRAILS, WITH-Weston's Differential Pulley Blocks, ANY CAPACITY. The Weston Pulley Block is suspended from a traveler or trolley which runs freely on the lower flange of the track. The tracks, by means of curves and switches, can reach any desired points. Plans and estimates furnished on application. SOLE MAKERS, THE YALE & TOWNE MFG. CO., Stamford, Connecticut. THE PRATT I WHITNEY CO.

HARTFORD, CONN. Have reduced the Selling Prices Machine Screw Taps & Combination Lathe Chucks. Now discounting 35 per cent on each. The Billings & Spencer Co., Hartford, Ct, DROP FORGINGS INCOPPER, IRON OR STEEL. Pure Copper Commutator Bars for Electric Motors or Generators. Steel Commutator Rings and Nuts, Steel Wrenches and Eye Bolts. DR OMEORGIN=W-FROM-i-EU RESOPPER.

CLEVELAND, OHIO, Machine Tools FOR Ell IRA: ERZ.Various sizes to cut and punch %" to X" plate iron. - Shears. For Immediate Delivery. PROUTY PATENT PLANER CHUCKS. Round swivel base. 6, 8, 10, 12, 15, 18, 24, 30 in. jaw. Square base. 8, 10, 12, 15, 18, 24, 30 in. jaw. Taft's Rolling Lever Hand Punches and 6 to 48 IN. SWING. Prices furnished Send for circulars. Send for Large line of general Metal Working Machine Illustrated Tools. Catalogue. POND MACHINE TOOL CO. MANUFA CTURERS OF STEEL and IRON WORKING MACHINE TOOLS. *******************************************************************

1 MANUFACTURERS OF STEEL and IRON WORKING MACHINE TOOLS. O W) 0 GEARWHEELS & GEAR CUTTING. 'Send for Catalogue D. GI-IC OR Gr. 14:1 13. GRANT, 868 Beverly Street, Boston. E. COULD & EBERHARDT, 0 mom Sm. rac Odd Ip O NEWARK, N. J E. E. GARVIN 86 CO., 139 & 141 Centre St., New York, MANUFACTURERS OF Machinists' Tools INCLUDING MILLING MACHINES, Drill Presses, Eland Lathes, &c. Send for Catalogue. KEY SEATING MACHINES AND 20 in. Drills a specialty. Our 20 in. Drill is a heavy sub-stantial tool, made for service, has steel shafts and spindle. Gears and racks cut from the solid and have all modern improvements, are made by special machinery, and sold very low. Our Key Seating Machine willsave enough in 60 days' use to pay first cost ; no shop can afford to do without one. We have now ready for II chines and 20 in. Drills. Send for prompt shipment,both Key Seat Ma I Photo. and Catalogue. P DAVIS, North Bloomflolt, le J. M. ALLEN, PRESIDENT. W. B. FRANKLIN, VICE-PRESIDENT . J. B. PIERCE, SECRETARY. hes, L70111',.. _Planers 230'''xx23401' For Now, Iteduced PRICE LIZ, Write THE G A. GRAY CO. .-Sycamore & Webster Sts, Cincinnati3O. THE BUFFALO STEEL FOUNDRYI'un_e, ORDERS AND CORRESPONDENCE I PRATT & Eru'rcww-oirri--1 SOLICITED. Proprietors. Wood Planer. PUNCHING PRESSES 7 DIES, And other Tools for the Manufacture of all kinds of SHEET METAL GOODS, DROP Igt.GINt*, DROP HAMMERS. STILES & PARKER PRESS CO. MIDDLETOWN, CONN. BRANCH OFFICE & FACTORY, 59 Duane St., New York. J.M.CRPENTER - PAWTUCKET.R.I. IManufacturer_ —of— JUDIE
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2nd scan AMERICAN-MACHINIST-1889-page 6

Buying-A M E R I C A N M A C H I N I S T-Section Vol. 56, No. 1
Cut Production Costs-With Modern Equipment.

LET'S START RIGHT NOW
to do those things necessary to bring conditions back to normal. We've faced business stag- nation long enough
now to know what it means; so /et's go- let's get started on the right track again. This business de- pression will last
just as long as the people of this co\untry sit back and wait for something to happen-we've got to make things
happen.
We can accomplish nothing by waiting for the other fellow to start something-the chances are he is sitting back
waiting for us. We've simply got to realize that it is up to everyone to do his share, and there never was a better
time than right now to start the "ball a'rolling."
Then there is another and probably a much more threaten- ing angle to the situation. The period of prosperity just
passed has witnessed a tremendous over-expansion in practically every industry, not only in this country, but
throughout the entire civilized world. `As a consequence, today, and likely for many years to come, the facilities for
production will be greater than the powers of absorption-which means the keenest kind of competition and the
weeding out of the less stable and less progressive concerns in each industry. Business houses today are fighting
for their very existence, and those who survive will be the ones that start now to reduce their costs and better
their methods, in order to meet the keenest competition on a fair basis. ~
How should we begin? Where should we start?


If every manufacturer in the metal working industry would start by putting his own house in order, by replacing his
old worn'-out tools with new and better machines, by weeding out bis obsolete equipment, and installing more
modern, more prohtable equipment in its place, the first thing you know, we would have better business, things
would begin to move again, and industry once more would "hit the trail" of progress. We, The American Tool Works
Company, have already started. Since Jan. 1921, we have weeded out of our own plant, eighty-three machines of
different kinds, and are now replacing them with the latest and most modern tools. By this we have provided
business for the foundries, orders for the steel mills, and work for a number of men-in other words, we have "gone
into action" in our own plant.
If you will do the same in yours, the other fellow the same in his, and so on, ad infinitum, this country would soon
forget that there was a business depression, a readjustment period or a deflation spasm. It is up to every one of us
to put our shoulder to the wheel, so let's go-a slang expression -yes-but chuck full of meaning and good advice.

The American Tool Works Co.
Cincinatti, Ohio, U. S. A.
LATHES PLANERS--SHAPERS RADIALS

This is the 6rst of a series of cost reducing advertisements. The president of every metal Fabricatz.ng plant in t
country should hz.mselF read each and every one oF th advertisements, and then refer them to hz.s manager c
superintendent.