Gear Cutting Machine History
MAUDSAY SONS AND
FIELDWORK  first bevel gear
cutting shaping machine
engineering mag  FEB 1908 400
dpi
MAUDSAY SONS AND FIELDWORK bevel gear cutting machine
engineering mag  FEB 1908 quarter page 400 dpi
Potts  Bevel  Gear Cutting
machine patent drawing us
no 347  granted 1858
almostfullpagescan  300 dpi
B.W.Bement's gear cutting
machine 1850  By Lowell machine
shop 600 dpi threequarterpage
Ezra gould Newark new   
Jersey,(leter gould and
Eberhardt) 1850 first gear
cutting machine.
The precision museum
1700-1830's