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 46
Fig. 12.—VacuumGage Tester. inch. (See Fig. 12.) The standard weight SCALES AND PRESSURE GAGES 25 method is convenient but the friction of the plunger preventstrue records. Fig. 13 shows an apparatus of this type. Weicjfrh forJ Measurinq Pressure … For Acijusfmenf\^
Mechanical engineering laboratories
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