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 549
Fig. 227.—The WattIndicator. See Thurstons Engine and Boiler Trials, page 130. 5i8 EXPERIMENTAL ENGINEERING. [§38i. 381. The Richards Indicator.*—The Richards indicatorwas invented by Professor C. B. Richards about i860; it con-tains every essential constructive feature found in recent indi-cators,… … Fig. 228.—The Richards Indicator. from which it is seen to consist of a steam-cylinder AAy inwhich is a piston B, connected by a rigid rod with the cap F.The movement of the piston is resisted by the spring CD insuch a manner that its motion in either direction is proportionalto the pressure. The…
Building materials · Machinery
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