Fig. 2—Diagram of ac-tual instrument illus-trated in the photo-graph 20S AUTOMOTIVE INDUSTRIESTHE A UTOMOBILE February J, 1921 … Fig .!—Sectional view of instrument, showing de-tails of construction 3. Equalizing the comparison volume with the clearancevolume. In measuring the rate of leakage from the engine cylin-der, after having latched cover plate N, needle valve ,7 isopened, leaving the right side of the U tube open to…
Automobiles · Aeronautics
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