Mechanical movements, powers, devices and appliances; (1903)
Hiscox, Gardner Dexter, 1822?-1908 · New York, The N.W. Henley & co. · 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. 29; HOROLOGICAL. 1188. CHRONOMETER ESCAPEMENT.— P, the impulse pallet on the arbor disc of thebalance wheel; V, a release tooth on the arborwhich strikes the…
Mechanical movements
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