Mechanical movements, powers, devices and appliances (1901)
Hiscox, Gardner Dexter, 1822?-1908 · New York, N. W. Henley & company · leaf 300
1187. FUSEE CHAIN AND SPRINGDRUM, used in watch and clock move-ments. This device compensates forthe variation in the force of the spring. 292 HOROLOGICAL. ■<r5^^ 1188. CHRONOMETER ESCAPEMENT.—P, the impulse pallet on the arbor disc of thebalance wheel; V, a release tooth on the arborwhich…
Mechanical movements
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