is not on it. The curved lever is double, and the pinion segment turnsloosely between the halves and on the shaft, A; it is heldup in its place by a light spring, F; the weight, E, is alsoheld between the two halves of the double lever. The action is as follows: The end of the lever, B, coversthe… … Fig. 88. Maintaining Power. 292 THE MODERN CLOCK. ment engages with the going wheel of the train, when theweight, E, acting through the levers, furnishes power todrive the clock-train while the going weight is being woundup. Of course the weight on the maintaining power mustbe so proportioned to…
Clocks and watches
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