RHS top bar
http://vintagemachinery.org/photoindex/detail.aspx?id=35947 https://www.pinterest.com/pin/391531761357673078/ https://www.pinterest.com/pin/341710690448325563/ This is a 1923, Model 9, Master Woodworker, with 2hp motor operating on 220v, still fully operable. The provenance is that it was used by Arthur L. Kreger to build many custom homes in Franklin, Michigan. A listing of pamphlets in the June 1926 issue of Building Age and National Builder includes one for this company: "Master Woodworker Mfg. Co., 614 Brush St. Detroit, Mich. Master Woodworker. 18 pp. Describes model no. 7" An ad in the January 1928 issue of Building Age and National Builder is from Master Woodworker and Floor Sander Co., 612 Brush St. Detroit. The ad itself is for the Master Woodworker. Listed in 1955-56 Hitchcock's Wood Worker's Digest Directory, which adds an "Inc." to the name.
1914-1924 Machine
"The Master Woodworker" Machine
The Master Woodworker built on Bagley Ave in Detroit near Heery ford plant in Michigan about 1914-1920's.
Dated using machined round top bolts, and legal name.
The Master Woodworker Machine I just got home.

Master-Woodworker table saw radial arm jointer Horizontal Boring machine I just saved. Built about 1920-1930. Dated using patent dates and machined but thread rolled 1/4 inch low head round top bolts. Also built using a mixture of square bolts and machined Bolts.
side mill \ ____________________________________________________________