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 76
cending scales should be used separately on the diagram,the former applied to the mean height of cde. Fig. 32, since thepencil is rising on that line; and the latter to the mean height ofabc since there the pressure falls. But when the back pressureline is horizontal in large part, as it almost…
Mechanical engineering laboratories
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