American horological journal, devoted to practical horology (1869)
Miller, George B · New York, G. B. Miller · leaf 188
eel upon will depend upon theescape wheel pinion, and inspection withoutmeasurement will easily determine it. The measurement for a centre pinion willbe from the outside of the plate to the out-side of the bridge ; deduct from this the sumof the thickness of each, which leaves the dis-tance between… … 182 AMERICAN HOROLOGICAL JOURNAL. These examples will be sufficient to sug-gest the means by which working measure-ments can be taken of almost every part of amovement necessary to be made, and is avast saving of time over the ancient and dis-honorable cut and try method. With alittle practice, and…
Clocks and watches
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