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United Air Lines "3-Mile-A-Minute" Multi-Motored Boeing

United Air Lines 3-Mile-A-Minute Multi-Motored Boeing
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Stock #: 220071
Type: Postcard
Era: Linen
Size: 3.5" x 5.5" (9 x 14 cm)

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Additional Details:
Mailed from the Dome of the Travel and Transport Building. A Century of Progress, Chicago. The Boeing monoplanes of United Air Lines have ushered in a New Era in Travel. With two 550 h.p. super-charged Wasp engines, they have a high speed of more than three miles a minute. They carry 10 passengers, 2 pilots, stewardess and cargo and can climb, fully loaded, more than 1,000 feet per minute and to 10,000 feet in ten minutes. They can sustain flight on only one engine