Mechanical laboratory methods; the testing of instruments and machines in the mechanical engineering laboratory and in practice (1922)
Smallwood, Julian Chase · New York, D. Van Nostrand company · leaf 42
Fia. 12.—Vacuum Gage Tester. SCALES AND PRESSURE GAGES 25 method is convenient but the friction of the plunger preventstrue records. Fig. 13 shows an apparatus of this type. ,, Weights -forf Measuring Pressure b … | WM for Adjustment^ O
Mechanical engineering
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