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Watch and clock escapements; (1904)

Philadelphia, The Keystone · leaf 43

An illustration from Watch and clock escapements;, 1904, leaf 43
angle of the pallet during locking. Wehave a measure of ten degrees on the arc m, between the lines B gand B A, and by taking this space in the dividers and setting oneleg at the intersection of the arc / with the arc m, and measuringdown on m, we establish the point s. Drawing a line from point… … Fig. 24 at Figs. 24 and 25. This model is supposed to have an escapewheel one-fifth the size of the 10 one we have been drawing. Inthe accompanying cuts are shown only the main plate and bridges The Detached Lever Escapement. 4i in full lines, while the positions of the escape wheel and balance…

Clocks and watches

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