Experimental engineering and manual for testing (1903)
Carpenter, Rolla C. (Rolla Clinton), 1852-1919 · New York, J. Wiley & sons; [etc., etc.] · leaf 524
5U EXPERIMENTAL ENGINEERING. [§ 414. the point in contact with the shaft. To prevent sHpping ofthe point, the end of the instrument is sometimes threadedand screwed into a hole in the end of the shaft. The continuous counter consists of a series of gears arrangedto work a set of dials which show… … Fig. 218. square or round case. The reading of the counter is taken atstated intervals and the rate of rotation calculated. Tachometers (see Fig. 219) are instruments which utilize thecentrifugal force in throwing outward either heavy balls or aliquid. The motion so caused moves a needle a distance…
Building materials · Machinery
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