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Evaluation of scavenging in two-stroke-cycle engines (1934)
NASA Technical Reports Server (NTRS) · leaf 25
R.A.C.A. Teohnioal Memorandum No. 732 Tigs. 1-5,12-30NASA Technical Reports Server (NTRS)
Internet Archive · NASA Technical Reports · Public domain (US government work). Free to use for anything.
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