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 286
thoutG on the lever, ef. Then we have Hence W - U DB1W+G=W = G{^-. c_ W - W__c(fB-eB) __c ef DB DB ~DB Then will DB = ef. § 189.] MEASUREMENT OF POWER. 255 189. The Differential Dynamometer.—This is oftencalled the Bachelder, Francis, or Webber dynamometer; wasinvented by Samuel White, of England,… … Fig. 133.—The Differential Dynamometer. wheel EEX; the resistance is overcome by the pulley N, whichcarries the bevel-wheel FFX. Both wheels run loosely uponthe fixed shaft XXX, and are connected by the wheels islandEXFX. By the action of the force P and the resistance Q, thepressure of the wheels…
Building materials · Machinery
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