Dunkerley, Stanley, 1870- · London, New York [etc.] Longmans, Green · leaf 141
icator is shown in Fig. 134. In an indi-cator, the steam-pressure is measured by the extension or com-pression of a helical or other form of spring, one end of which isattached to the piston of the indicator, and the other to the cap ofthe indicator cylinder, so that the displacement of the… … Fig. 134 satisfied are that the tracing pencil must move in a straight lineparallel to the axis of the indicator cylinder, and that its displace-ment must always be exactly proportional to the displacement ofthe indicator piston. § 92. Simplex Indicator.—One method of satisfying these con-ditions…
Machinery, Kinematics of
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