ble it to swing with little friction.For the purpose of making the motionsvery |)lain I ha\-e left out the dial andframework from the drawing. Thewheel marked twelve hours, and thepinion which drives it, are both outsidethe frame, just under the dial, and aredrawn in dash and dot. The axle oftliis… … Fig. 27—Anch cape wheel and the two pinions, all insolid lines, and you have the train TIME AND ITS MEASUREMENT 39 which is the principal part of all clocks.This clock has an escapement, wheels,pinions, dial, hand, weight, and wind-ing square. We have only added thependulum, a better escapement,…
Time · Clocks and watches
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