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revolution counter

American  

noun

  1. a device for counting or recording the number of revolutions made by a rotating shaft, as of a motor or engine.


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

I tried to steal a quick glance at my revolution counter.

From Time Magazine Archive

A final twist, a glance at the revolution counter, and he was done.

From "Brave New World" by Aldous Huxley

As the tube, gg, dips into the water, it does not allow the gas to escape, and this permits of the revolution counter that the rod actuates being placed in an external case, CC'.

From Scientific American Supplement, No. 481, March 21, 1885 by Various

Besides, the pulley shaft actuates a revolution counter, and a clock measures the time employed in the experiment.

From Scientific American Supplement, No. 787, January 31, 1891 by Various

The watch, anemometer and revolution counter were all automatically started and stopped simultaneously.

From The Early History of the Airplane by Wright, Orville