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The Boeing 307 Stratoliner was the first commercial airliner put in service to have a pressurized cabin. Named the “Stratoliner” for its ability to cruise near the stratosphere, the airliner had a circular cross-section, tear-drop-shaped fuselage to handle the stresses of pressurization. Only ten were produced: one prototype, five for TWA (Transcontinental & Western Air), three for Pan American, and one for Howard Hughes. Launched by TWA in 1940, the airline touted its quietness, speed, and advanced capability of flying above bad weather and turbulence. See "Aviation Evolutions: The Jim Lund 1:72 Scale Model Airplane Collection", which features more than 200 models, on display, pre-security, in the Aviation Museum. http://bit.ly/AviationEvolutions This image was posted on July 05, 2018.

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The Boeing 307 Stratoliner was the first commercial airliner put in service to have a pressurized cabin. This image was posted on July 05, 2018. #aviationevolutions #jimlund #avgeek #avationgeek #aviation #aviationhistory #vintageaviation #history #avhistory #aviationgeeks #modelplane #avgeeks #modelaircraft #airplane #aircraft #boeing #boeing307 #twa
The Douglas DC-3 was arguably the most significant commercial airliner introduced before World War II. This image was posted on February 07, 2019. #aviationevolutions #jimlund #avgeek #aviationgeek #aviation #aviationhistory #vintageaviation #history #aviationgeeks #modelplane #scalemodel #avgeeks
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The Convair 240 was the first postwar commercial airliner developed by the Consolidated Vultee Company, or Convair, of San Diego. This image was posted on July 18, 2018. #aviationevolutions #jimlund #avgeek #avationgeek #aviation #aviationhistory #vintageaviation #history #avhistory #aviationgeeks #modelplane #avgeeks #modelaircraft #airplane #aircraft #convair #convair240

This post mentions the following things involved with the SFO Museum collection: