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 284
is connected to theflxed frame T by a thin steel fulcrum, as used in the EmeryTesting-machines (Article 67, page 105). 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 turn… … Fig. 132.—The Lewis Dynamometer. 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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