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Mechanical movements, powers and devices; a treatise describing mechanical movements and devices used in construcive and operative mechinery and the mechanical arts, being practically a mechanical dictionary (1917)

Hiscox, Gardner Dexter, 1822?-1908 · New York : The Norman W. Henley publishing co. · leaf 59

An illustration from Mechanical movements, powers and devices; a treatise describing mechanical movements and devices used in construcive and operative mechinery and the mechanical arts, being practically a mechanical dictionary, 1917, leaf 59
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.—Anapplication of…

Mechanical movements

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