Mechanical movements, powers, devices and appliances; (1903)
Hiscox, Gardner Dexter, 1822?-1908 · New York, The N.W. Henley & co. · 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.—Anapplication of…
Mechanical movements
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Electric engineering.] (1902)](https://img.insideoutlibrary.com/img/200/ia-electricengineer03inte-218-128.webp)
