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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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History and Etymology for Prony brake

after G. C. F. M. Riche, Baron de Prony †1839 French engineer

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