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 251
ing the nut 0the stress on the journal produced by screwing the rod/canbe thrown on the key /, and the bearing relieved of pressure,without changing the tension on the spring. A counterbalanceabove the pendulum is used when accurate readings are de- 220 EXPEKIMEN TA L ENGINEERING. [§154. sired. The… … Fig. 112.—Section of Railroad Lubricant Testing-machine. as in the standard machine, the total friction ; and on thependulum, the total pressures (1) on the upper brasses, (2) onthe lower brasses, and (3) the sum of these pressures. 154. Theory of the Thurston Oil-testing Machines.—The mathematical…
Building materials · Machinery
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