Excerpt from Experiments on the Metering of Large Volumes of AirThe main object of the undertaking was to test the accuracy of several types of meter which are in common use for measuring large quantities of gas at pressures near atmospheric. The meters in ques tion were: (a) A series of round, square wedged orifices installed con centrically', one at a time, in a straight, smooth pipe of 24 inches hominal diameter, (6) a rotary displacement m...
CHF 14.50