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On the knocking of gasoline engines (1926)

NASA Technical Reports Server (NTRS) · leaf 48

An illustration from On the knocking of gasoline engines, 1926, leaf 48
Fig .14 N.A.O.A. Technical Memorandum No.371

NASA Technical Reports Server (NTRS)

Internet Archive · NASA Technical Reports · Public domain (US government work). Free to use for anything.

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