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Time and its measurement (1909)

Arthur, James, 1842-1930 · Chicago · leaf 41

An illustration from Time and its measurement, 1909, leaf 41
C on the farther side of wheel is mov-ing left, so it will fall on pallet A, to be 38 TIME AND ITS MEASUREMENT in itsfoliot turn liberated as the pallets andswing back and fortli. It is easy CORO. … WEIGHT. Fig. 26—De Vicks Clock of 1364 to see that each tooth of the wheel willgive a little push to the pallet as it es-capes, and thus keep the balanceswinoing. This escapement is a verypoor time-keeper, but it was one of thegreat inventions and held the field forabout 000 years, that is, from…

Time · Clocks and watches

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