Experimental engineering and manual for testing. For engineers and for students in engineering laboratories (1906)
Carpenter, Rolla C. (Rolla Clinton), 1852-1919 · New York, J. Wiley & Sons; [etc., etc.] · leaf 602
for which the test is made; in any event the apparatus tobe used should be carefully calibrated, the dimensions of theengine obtained, and the test conducted with care. 414. Measurements of Speed.—The various instrumentsemployed for measurement of speed are speed-indicators, ta-chometers,… … Fig. 273.—Double-ended Speed-indicator. instrument, by holding a stick in the hand in such a positionthat it is struck by some moving part, as the cross-head of anengine, once in each revolution. The hand speed-indicator, ofwhich one form is shown in Fig. 273, consists of a counteroperated by…
Building materials · Machinery
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
