Experimental engineering and manual for testing (1903)
Carpenter, Rolla C. (Rolla Clinton), 1852-1919 · New York, J. Wiley & sons; [etc., etc.] · leaf 215
D is connected to thefixed frame T by a thin steel fulcrum, as used in the EmeryTesting-machines (Article 6y, page 87). The point D, thecentre of wheel C, and the fulcrum are in the same right line.The fulcrum B permits vertical motion only of the point D,The point D rests on a pillar, which in… … Fig. 97^.—The Lewis Dynamometbi:. driving and C the driven wheel, the force to be measured beingreceived on a pulley on the shaft a, transmitted through thedynamometer^ and delivered from a pulley on the shaft c.From this construction it follows, that no matter how greatthe friction on the journals…
Building materials · Machinery
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