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 391
tion of either class, when thereis no pressure on the gauge, the needle rests against a stop,which is placed somewhat in advance of the zero-mark, so that 360 EXPERIMENTAL ENGINEERING [§ 2/9. minute pressures are not indicated by the gauge. In the useof the instrument the needle sometimes gets… … Diaphragm-gauge. gauges are also affected by heat. Hence, when set up for use abent tube, termed a siphon, or a vessel which will always containwater, should be interposed between the gauge and the steam.279. Vacuum-gauges.—Vacuum-gauges are constructedin the same method as the Bourdon or diaphragm…
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