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Modern methods in horology (1904)

Hood, Grant · Kansas City, Mo. : Kansas City Jeweler and Optician · leaf 217

An illustration from Modern methods in horology, 1904, leaf 217
ent again. The drop should be as little aswe can give it and have it safe. The less drop we give it,the greater the impulse. To have the escapement work properly, the unlockingpallet should move the detent forward until the escape wheeldrops upon the impulse jewel in the large roller. Immedi-ately… … CHRONOMETERESCAPEMENT. A [ o Fig. 7. 210 THE CHRONOMETER ESCAPEMENT. very common fault is to have the gold spring too long,so it will not release the detent soon enough. When thisis so, the force of the train is imparting impulse to thebalance, while the force of this spring is holding it back,and…

Clocks and watches

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