Word: two-second
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Dates: during 1883-1883
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...noon on Sunday, November 18; that is, at 7h Om A. M., by the new standard. The minute immediately preceding 7h A. M. will be entirely occupied by a long rattle of about 36 seconds and a pause of about 24 seconds. This will also occur during the minutes immediately preceding the hours 8, 9, 10, and 11, A. M. The first of the regular two-second beats following the pause will indicate the precise hour...