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Watch and clock escapements; (1904)

Philadelphia, The Keystone · leaf 171

An illustration from Watch and clock escapements;, 1904, leaf 171
oscillatory motion, the arc of which may,however, be fixed by the stud or stop D, which limits the swing ofthe fly C. This fly is of one piece with the lever and, together withthe stud D, determines the angular motion of the lever. If the anglebe large that means the path of the fly be long, then… … Fig CHAPTER V. PUTTING IN A NEW CYLINDER. Putting in a new cylinder is something most watchmakers fancythey can do, and do well ; but still it is a job very few workmen cando and fulfill all the requirements a job of this kind demands underthe ever-varying conditions and circumstances presented in…

Clocks and watches

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