John Jacob Holtzapffel · digital reprint by www.CircuitousRoot.com · leaf 303
wheel of G4 teeth, and this shaft and the fixed or prime 64 wheel remain quiescent when the tool is cutting. A large thin metal disc or pulley, about twice the diameter of the pulley of fig. 239, with a groove in its edge for the band from the over- head motion, is mounted upon the enlarged end of… … I damped when in position by a tbumbscrew passing through a I circular mortise towards its opposite extremity; a socket mid- I way on the face of the flange receives the spindle of the eccentric I frame A., which spindle terminates in a wheel of 40 teeth beneath the flange. The stud S., carries a…
Ornamental turning
Internet Archive · Dr. David M. MacMillan · Public Domain Mark 1.0. Free to use for anything.
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