THE LABOR OF A WATCH.
Very few who carry a watch ever think of the unceasing labor it performs under what would be considered shabby treatment for any other machinery. There are many who think a watch ought to run for years without cleaning or a drop of oil. Head this and judge for yourself. The main wheel in an ordinary American watch makes four revolutions a day of 24 hours, or 1450 in a year. Next, the centre wheel, 24 revolutions in a. day, or 8700 in a year. The iifth or scape wheel, 12,9(10 in a day, or 4,728,200 in a year. The ticks or beats are 1188,8000 in a day, or 111,812,000 in a year.
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https://paperspast.natlib.govt.nz/newspapers/TDN19070904.2.48
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Taranaki Daily News, Volume L, Issue 60, 4 September 1907, Page 4
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118THE LABOR OF A WATCH. Taranaki Daily News, Volume L, Issue 60, 4 September 1907, Page 4
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