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Relation of Hydrogen and Methane to Carbon Monoxide in Exhaust Gases from Internal-Combustion Engines (1935)

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ual manner by absorption in potassium hydrox- first taken by displacement of mercury, but later ide and alkaline pyrogallol, respectively. These solu- evacuated sampling tubes were used, employing only tions were prepared as recommended by Shepherd those that would hold an absolute pressure of 0.1… … Fuel consumption was measured directly by weight, Figure 1.—Gas-analysis apparatus. and air consumption by means of an 80-cubic-foot- bustion of the residual gas and air in the slow-com- capacity gasometer. The start and stop of the bustion pipette (reference 3, p. 162). Tests with gasometer were…

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