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Prony brake
noun
Pro·ny brake
\ˈprōnē-\
Definition of Prony brake
: a friction brake or absorption dynamometer in which the pull on the flywheel friction blocks is measured by a spring balance or weighted lever — compare rope brake
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Origin and Etymology of prony brake
after G. C. F. M. Riche, Baron de Prony †1839 French engineer
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