Hood, Grant · Kansas City, Mo. : Kansas City Jeweler and Optician · leaf 204
crease our lift or impulse, and if we decrease our drop, wewill increase our impulse, and consequently the motion of thebalance. It will be easily understood that we should give aslittle drop as we can, and have the action of the escapement196 THE DUPLEX ESCAPEMENT. perfectly safe. Fig. 2 shows the… … Fig. 2. ternate vibration. An escape wheel of this kind has as manylocking teeth as impulse teeth. The action of the escapement may be better explainedby the aid of the drawing shown in Fig. 3. A represents theescape wheel a a a the locking teeth, b b b the impulse teeth,which project above the top…
Clocks and watches
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