Experimental engineering and manual for testing (1903)
Carpenter, Rolla C. (Rolla Clinton), 1852-1919 · New York, J. Wiley & sons; [etc., etc.] · leaf 189
See paper by Professor Denton, Vol. XI., p. 1013, Transactions of Ameri-can Society of Mechanical Engineers. lOO.] FRICTION—l^ESTING OF LUBRICANTb. 199 159. Ashcrofts Oil-testing Machine.—This machine(Fig. 83) consists of an axle revolving in two brass boxes ; thepressure on the axle is regulated… … Fig. 83.—Ashcrofts Oil-testing Machine. The temperature is taken by an attached thermometer, andthe number of revolutions by a rounter, as shown in the figure. In this machine the weights and levers are constant, thevariables being the temperature and coefficient of friction. It is used exclusively…
Building materials · Machinery
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