Mechanical laboratory methods; a testing of instruments and machines in the mechanical engineering laboratory and in practice (1918)
Smallwood, Julian Chase · New York, D. Van Nostrand company · leaf 75
ling. The table is revolved by hand to reducefriction at the plunger. 54 THE ENGINE INDICATOR 10 The heights of the Unes from the atmosphere Une are thenmeasured to j^o in., and recorded on the diagram with corre-sponding pressures as in Fig. 34. These data are then plottedand results obtained as… … frvfn Sfeam Line j Fig. 33.—Indicator Spring TestingApparatus. ,.68 -JJ0l-5d 13J 1:56—40 ,02. —!:°s:-3o 0.^ ^i2Lja 0.32 0.34 Atmo sphere v 10 Fig. 34.—CalibrationRecords. pressure in pounds per square inch, and £, the height of theindicator pencil in inches. (d) Correction of Indicator Diagrams.…
Mechanical engineering laboratories
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