o O CO O CO oc 2 of 2 N CONNECTING WIRE S jH ^rMggwriHi^ Fig. 132 THE MODERN CLOCK. 395 weighted levers. When one lever has dropped down andthe other has reached a horizontal position the cut portionsof the circumferences of these levers will be opposite theupper notch of the ratchets and will… … Fig. 133 ing from F to drop into the notches. This allows F and Gto connect and the magnet A is energized, pulls the arma-ture B, the arms C D, and thus lifts the lever through thepin in D pulling at the end of the circular slot. As thelever flies upward, the cam-shaped portion of its circum- 39^…
Clocks and watches
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