Mechanical movements, powers, devices and appliances (1901)
Hiscox, Gardner Dexter, 1822?-1908 · New York, N. W. Henley & company · leaf 390
1577. SEWING-MACHINK Wilcox & Gibbs model, show-ing the designation of parts. 1578. SPRING MOTOR, for sewing-machine. A strong coiled spring and a gearcrain, like a clocktrain on a larger scale,geared to the drivingshaft. The pedal ischanged and arrang-ed as a friction stopand speed regulator.…
Mechanical movements
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![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten20unit-1007-456.webp)
