Mechanical movements, powers, devices and appliances (1901)
Hiscox, Gardner Dexter, 1822?-1908 · New York, N. W. Henley & company · leaf 61
52 MEASUREMENT OF POWER. … 157. CENTRIFUGAL SPEED INDI-CATOR.—An arm and ball pivoted to aclamp on a revolving vertical shaft showson a curved index bar the number of revo-lutions per minute, due to the position ofthe ball and pointer, assumed by the cen-trifugal force of revolution. 158. SPEED INDICATOR.—An application of…
Mechanical movements
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