Talk:Boeing 307

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I have been trying to determine if the Boeing 307 was the first pressurized aircraft ever built. It is obvious from my research that it was the first pressurized production aircraft, but were there any experimental aircraft that featured cabin pressurization?Ratsbew (talk) 06:28, 9 December 2007 (UTC)

I too have been wondering this exact same question. Were there any experimental pressurized aircraft that existed before the Boeing 307?132.10.250.80 (talk) 21:05, 3 April 2008 (UTC)

I found the answer, the Lockheed XC-35 was the first pressurized aircraft. It was a modified L-10 Electra with a circular cross section fuselage to withstand the pressure differential. The L-10 Electra wiki makes a brief mention of the XC-35 but it fails to mention the significance.132.10.250.80 (talk) 21:12, 3 April 2008 (UTC)