Plural of cyclometer; multiple instruments that measure the distance traveled by bicycles or wheel revolutions.
Plural of 'cyclometer', combining 'cyclo-' (wheel/circle) + 'meter' (measure). Used throughout the 19th and 20th centuries in cycling literature and bicycle manufacturing.
Cyclometers came in hundreds of different designs—some mechanical, some magnetic—and collectors still seek out antique cyclometers as early examples of engineering ingenuity applied to something as simple as counting wheel rotations.
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