Mechanical movements, powers and devices; a treatise describing mechanical movements and devices used in constructive and operative machinery and the mechanical arts, being practically a mechanical dictionary, commencing with a rudimentary description of the early known mechanical powers and detailing the various motions, appliances and inventions used in the mechanical arts to the present time, including a chapter on straight line movements, by Gardner D. Hiscox (1914)
Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 63
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-trifu2:al force of revolution. 158. SPEED INDICATOR.—An application of…
Mechanical movements
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