time. There areno teeth on the count wheel, so that it must be fast to itsarbor, which is that of the great wheel and spring, whileFig. 92 has a separate stud and it is loose. The wheel beingon the spring arbor and going once in 24 hours, there mustbe one turn of spring for each 24 hours which the… … Fig. 96. Half hours struck on the train. 3IO THE MODERN CLOCK. the locking cam. The cams on the center arbor are stampedout of brass sheet, while those of Fig. 92 were of wire. Turning to the enlarged view in Fig. 97 and comparingitwith Fig. 93, we find further differences. The leversK and J are…
Clocks and watches
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