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Performance of B. M. W. 185-Horsepower Airplane Engine (1923)
NASA Technical Reports Server (NTRS) · leaf 11
10 IIKPOIIT NATIONAL ADVISOI'.V CO.M M ITTKK Hill A I'.HI IN A ITU'S. … oNASA Technical Reports Server (NTRS)
Internet Archive · NASA Technical Reports · Public domain (US government work). Free to use for anything.
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