Cyclometer
Hawkins' Electrical Dictionary · 1915 · p. 3
—An instrument for registering the number of revolutions made, the distance measured, by a wheel or other rotating body.
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Adair's New Encyclopedia (1923)
Everybody's Encyelopedia (1912)
Jack's Reference Book for Home and Office : An Encyclopaedia of General Information: English Dictionary (1909)
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