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
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… … 159. METER DIAL—how to read it. Arevolution of the upper hand is a measure ofone cubic foot. Each of the dials representsa multiple of ten. The figures following themotion of the index hands are to be noted,and if reading to the right must be put in in-verse order, and if read to the left must…
Mechanical movements
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