starwheels has a click kept in contact by means of a spring.For months with less than 31 days, the day of the monthhand has to be shifted forward. Perpetual Calendar Work.—Figs. 113, 114, 115, showa perpetual calendar which gives the day of the week, dayof the month and the month, making all… … -O A^>K IP 1 tS^^^^^E-T^^ ^ - IIPJ ■ r^ -jK ii:0 Fig. 113. Perpetual Calendar Movement. THE MODERN CLOCK. 353 behind slots in the dial on each side of the center. Thisis also a Waterbury movement. A pinion on the hour pipe engages a wheel, A, havingtwice the number of teeth and mounted on an…
Clocks and watches
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