Earthquakes and other earth movements earthquakesother00miln Year: 1886 SEISMOMETEY. 39 mechanism, forming part of a time-keeper, which causes the dial of the timepiece to come suddenly forwards on the hands and then move back to its original position. Fig. 8. The hands are provided with ink-pads, which mark their positions on the dial, thus indicating the hour, minute, and second when the circuit was closed. The second

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Model Released: No

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