Experimental engineering and manual for testing (1903)
Carpenter, Rolla C. (Rolla Clinton), 1852-1919 · New York, J. Wiley & sons; [etc., etc.] · leaf 252
velocity of the submerged ball be V, — 2v^ — v^, A floating- staff that remains vertical in still water is some-times lised. In case floats are used, the velocity is obtained by notinpthe time of-passing over a measured distance. The measureddistance should be marked by sights, so that the line of… … I T 5. 99.—The Tachometer. 6rSw a-iid last lines of the course is to be determined by a stop-watch. 221. The Tachometer, or Woltmans Mill, consists of asmall water-wheel connected to gearing so as to register the §221.] MEASUREMENT OF LIQUIDS AND GASES. 263 number of revolutions. The wheel is…
Building materials · Machinery
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