A treatise on architecture and building construction (1899)
International Correspondence Schools · Scranton, The Colliery engineer co. · leaf 218
the ether whollyevaporates from the muslin covering of D and the instrumentbegins to recover its normal temperature. If too much ether is poured upon the cloth-covered bulbD, the instrument may be cooled to such an extent as todepress the thermometer E and cause it to give a falseindication of the… … Fig. 2. 23 HEATING AND VENTILATION § 17 and the second reading, the test should be repeated. Whenthe test is properly made, the average of the two readingsmay be taken as the correct dew point. The instrument should be placed in a position where itwill be free from the influence of any heating…
Architecture · Building
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