s often disturbed bythe fact that the long thin steel ribbon has been twistedin cleaning, taking apart or handling by unskilled personsbefore coming to the watchmaker, it is desirable to test theescapement again, when the clock is put into position onthe premises of the buyer. The timing adjustment… … Fig. 20. the centrifugal force is augmented, the oscillations .of thependulum slackened, and the clock goes slower. The con-trary effect is produced if the weights are brought nearerthe center. In one form of ball the shifting of the regu-lating weights is accomplished by a compensating spring…
Clocks and watches
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