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 258
. *See paper by Professor Denton, Vol. XL, p. 1013, Transactions of Anr:can Society of Mechanical Engineers. §IOO.] FRICTION—TESTING OF LUBRICANTS. 227 159. Ashcrofts Oil-testing Machine.—This machine(Fig I i4)consists of an axle revolving in two brass boxes ; thepressure on the axle is regulated… … Fig. 114.—Ashcrofts Oil-testing Machine. The temperature is taken by an attached thermometer, andthe number of revolutions by a counter, as shown in the figure. In this macnine the weights and levers are constant, thevariables being the temperature and coefficient of friction. It is used…
Building materials · Machinery
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