Appletons' cyclopaedia of applied mechanics: a dictionary of mechanical engineering and the mechanical arts (1880)
D. Appleton and Company, Benjamin, Park, 1849-1922 · New York, D. Appleton · leaf 938
llar-plate, and beneath the dial. The arrangement is represented in Fig. 4218. The can-non-pinion is placed on the arbor of the centre-pinion, andfits spring-tight, so that it may be moved at pleasure in set-ting the minute-hand. Above the pinion proper there is a barrel upon which the minute-hand… … 904 WATCHES AND CLOCKS. has 14 leaves, and the centre-wheel has 42 teeth, the latter will revolve one-third as often, or once in12 hours. One of the modern arrangements for winding and setting the watch (stem-winding) is alsorepresented in this figure. A crown-wheel is placed upon the end of a…
Mechanical engineering -- Dictionaries
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