tacho-generatorn.
/ˌtakəʊˈdʒɛnəreɪtə/, U.S. /ˌtækoʊˈdʒɛnəˌreɪdər/ An instrument that generates a voltage accurately proportional to the rate of rotation of a shaft or the like.
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tachometer generator1946
tacho-generator1952
1952 Electronic Engin. 24 382/1 Factors affecting the linearity of response with speed of d.c. tacho-generators.
1958 New Scientist 4 Sept. 751/1 One such piece of apparatus for keeping watch on the rpm of engines in flight is actuated by a small tacho-generator to measure the rate of rotation and communicate its warning if over~speeding occurs.
1976 Gramophone Sept. 510/1 Speed accuracy is controlled by a new system using a tacho-generator.
This entry has not yet been fully updated (first published 1986; most recently modified version published online March 2022).
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n.1952- head clause
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