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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 223

An illustration from The modern clock; a study of time keeping mechanism; its construction, regulation, and repair, 1905, leaf 223
Fiir. CO nc … ^^ Fig. TO THE MODERN CLOCK. 221 To correct this gearing, the cutter should act only on theaddenda of the teeth of the wheel, so as to diminish themand bring the pitch circle mm to n. The dots in the teethd, d, show the corrected gearing. It is seen that there willbe, after this change, the…

Clocks and watches

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