Noun
A device that counts the revolutions of a bicycle wheel in order to indicate distance travelled.
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- Examples
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More examples (1)
While here at Constantinople I received by mail from America a Butcher spoke cyclometer, and on the second visit to Prinkipo I measured the road which has been made around half the island; the distance is four English miles and a fraction.
An instrument for measuring circular arcs.
A machine used to decrypt Enigma machine ciphers.
Usage- Historical