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Watch and clock escapements; (1904)

Philadelphia, The Keystone · leaf 146

An illustration from Watch and clock escapements;, 1904, leaf 146
ng to move forward fromsaid train being heavy and clumsy in construction. Let us make anexperiment with a real chronometer in illustration of our problem.To do so we remove our balance spring and place the balance The Chronometer Escapement. 143 in position. If we start the balance revolving in tne… … little effect on the impulse jewel ; in fact, we could, by applyingsome outside source of power—like blowing with a blow pipe onthe balance—cause the impulse jewel to pass in advance of theescape wheel; that is, the escape-wheel tooth would not be able tocatch the impulse jewel during the entire…

Clocks and watches

Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.

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