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 211
of gas is trapped off, placed at atmospheric pressure, and an 192 PRODUCTS OF COMBUSTION 40 accurately measured portion collected in the measuring burette.This is pushed over into the absorption chamber where the freshlyexposed surfaces of steel wool, wet with caustic potash solution,break up the… … Pig. st. Diagram of the Hays COi Recorder. 40 PRODUCTS OF COMBUSTION 193 The height to which the water rises in the compression cylinderis a measure of the amount of C02 absorbed. The calibrating tubeis so placed in the standard machine that it becomes sealed if ex-actly 20 per cent of the sample…
Mechanical engineering
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