Experimental engineering and manual for testing (1903)
Carpenter, Rolla C. (Rolla Clinton), 1852-1919 · New York, J. Wiley & sons; [etc., etc.] · leaf 590
a rigid, true pantograph motion,either fixed or adjustable in height (Fig. 228); or it may be asimple pendulum connected by link to the cross-head with awooden quadrant 2 inches thick, and having a radius such aswill make the indicator-card 3 inches long. The cord of the indicator should be 8 or 10… … ej3- ^15 mid-position Rigid Non AdjustableFig. 228—Reducing-motion. drawn by it. A steam-gauge on the chest is inaccurate anddifficult to use. Indicator-diagrams should be taken at equal distances in-stead of at equal time-intervals, in order to properly averagethe power. They should therefore be…
Building materials · Machinery
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