Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 392
1577. SEWING-MACHINE, Wilcox & Gibbs model, show-ing the designation of parts. zzaazmzz2za?i 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…
Mechanical movements
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