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Time and its measurement (1909)

Arthur, James, 1842-1930 · Chicago · leaf 34

An illustration from Time and its measurement, 1909, leaf 34
y. These hoi lines, and the dotted lines for ha hours, are really the same as the sirn lar lines on Fig. 18 which you no understand. As the hand sweeps tl ^ o l^g^f o s \^ ^/ \^ %/ \^ R^ MLJb^ Fig. 21—12 Horary Branches and 10 CelestialStems as Used in Clocks dial daily it automatically moves… … our, on which the arrow hand now lands, is longer than the other night ours before it, and that it is divided;ito three by the dotted lines. The last^ay hour, on le left of dial, 3 a 1 s o long n d divided n t o three[hat is, while[ll the dials reviously de-jicribed havetqual hoursiOr any givenjay,…

Time · Clocks and watches

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