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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 188

An illustration from The modern clock; a study of time keeping mechanism; its construction, regulation, and repair, 1905, leaf 188
d 184 THE MODERN CLOCK. 85 thus get all the advantages of both systems. By placing thelever on the arbor of the anchor, it was possible to multiplythe small angle of impulse on the pallets very considerablyat the balance, and to make all connection between themcease immediately after the impulse… … Fig. 61. Pin Escapement for Clocks. escapement is that when properly proportioned it will not seton the locking or lifting, but will start to go as soon aspower is applied to the escape wheel through the train. Thiscannot be said of the cylinder, duplex, or detent escape-ments, and it will be seen…

Clocks and watches

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