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The internal combustion engine; being a text book on gas, oil and petrol engines, for the use of students and engineers (1909)
Wimperis, Harry Egerton, 1876- · New York, Van Nostrand · leaf 254
Oil and petrol engines 233 INDICATOR SCREW CYLINDER JACKET … Fig. 63.—Section through exhaust valve and plug of Campbell Oil Engine. 5_Internal combustion engines
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
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