end of the shaft andis connected to it by means of a pawl and ratchet,whereby the gear is caused to turn in the direction inwhich the paper is wound, but is stationary when theshaft is turned in the opposite direction to wind up themotor-spring. The spring is secured to and coiled aboutthe shaft,… … A NOVEL STATION INDICATOR. this locking pin can be withdrawn, thus permittingthe wheel to rotate until it has made one complete re-volution, when the pin, under tension of a spring, snapsagain into the slot and locks the mechanism. A suit-able escapement is connected with the gear-wheel togovern…
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