Mechanical appliances, mechanical movements and novelties of construction; a complete work and a continuation, as a second volume, of the author's book entitled "Mechanical movements, powers and devices" ... including an explanatory chapter on the leading conceptions of perpetual motion existing during the past three centuries (1914)
Hiscox, Gardner Dexter, 1822?-1908 · New York, N. W. Henley Publishing · leaf 243
ther vertical shaft, the latter beingconnected by bevel gears with the lathespindle. By means of a sliding key, oper-ated by a lever at the front of the head,any one of the loose gears may be in-stantly connected to and made to drivethe shaft; thus the speed of the spindleis very readily changed.… … GEARING AND GEAR MOTION, ETC. 241
Mechanical movements
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