Experimental engineering and manual for testing (1903)
Carpenter, Rolla C. (Rolla Clinton), 1852-1919 · New York, J. Wiley & sons; [etc., etc.] · leaf 182
ning 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- 192 EXPERIMENTAL ENGINEERING. [§ 154. sired. The… … Section of Railroad Lubricant TeSting-machine. as in the standard machine, the total friction ; and on thependulum, the total pressures (i) 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 formulae…
Building materials · Machinery
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