Handbook for heating and ventilating engineers . is drawn through the system until assuranceis had that each bottle contains a fair sample. Each bottle isthen thoroughly shaken, so that the liquid may be broughtinto good contact with the air sample. If the least turbidityor cloudiness appears in the First or largest bottle indicates per cent. CO2 iSecond bottle indicates Third Fourth Fifth Sixth Seventh Eighth Ninth Tenth Eleventh • Care must be taken to have a fair sajnple of the air ineach bottle. The glass tubes through the rubber stopp
Handbook for heating and ventilating engineers . is drawn through the system until assuranceis had that each bottle contains a fair sample. Each bottle isthen thoroughly shaken, so that the liquid may be broughtinto good contact with the air sample. If the least turbidityor cloudiness appears in the First or largest bottle indicates per cent. CO2 iSecond bottle indicates Third Fourth Fifth Sixth Seventh Eighth Ninth Tenth Eleventh • Care must be taken to have a fair sajnple of the air ineach bottle. The glass tubes through the rubber stoppersshould extend no farther than the bottom of the 4^ a. shows four of the bottles and their connections. 20 HKATINO AND VENTILATION As an example, suppose tliat tlie air of a room was testedand that in the first, second, third, fourth, fifth and sixthbottles the liquid became turbid after vigorous room air would have contained per cent, of carbondioxide, and would have been considered quite unfit
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectventila, bookyear1913
