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The modern clock; a study of time keeping mechanism; its construction, regulation, and repair (1905)

Goodrich, Ward L · Chicago, Hazlitt & Walker · leaf 349

An illustration from The modern clock; a study of time keeping mechanism; its construction, regulation, and repair, 1905, leaf 349 — not be able to lift the hammer tail withoutsufficient run to get the train thoroughly under motion.The half-hour strike should also be tested so that the pin Jwill release the warning pin O from the lever M withoutreleasing the rack hook from the rack, as shown in Fig. 346 THE MODERN CLOCK. 109.… … Fig. 110. Train unloclted and running. Xote position of L and M. The relative position of the locking lever L and the rackhook is also very clearly shown in Fig. 108; that is, whenthe rack hook is pressed clear home at the lower notch ofthe rack, the lever L should safely lock the train and…

Clocks and watches

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