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Aerodynamic Characteristics of a 4-engine Monoplane Showing Comparison of Air-cooled and Liquid-cooled Engine Installations (1939)

NASA Technical Reports Server (NTRS) · leaf 17

An illustration from Aerodynamic Characteristics of a 4-engine Monoplane Showing Comparison of Air-cooled and Liquid-cooled Engine Installations, 1939, leaf 17

NASA Technical Reports Server (NTRS)

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

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