Twitter Archive | February 15, 2018 | By the late 1930s, with the introduction of the Douglas...

@SFOMuseum Twitter Posts This is SFO Museum's archive of the @SFOMuseum Twitter account.

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By the late 1930s, with the introduction of the Douglas DST (Douglas Sleeper Transport) and DC-3 Mainliners, United Air Lines provided standardized beverage service. . This tweet was posted on February 15, 2018.