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| | Lockheed |
 | | The twin-engine biplane had a 74-foot (22.5-meter) upper wingspan, a 47-foot (14-meter) lower wingspan, twin booms, and a triple tail. |
 | | Retractable landing gear was added onto a successor aircraft called the Altair, which made the first crossing of the Pacific Ocean from Australia to the United States between October 20 and November 4, 1934. |
 | | He also saw that the future lay with multi-engine planes and pushed for construction of a new plane that would be smaller, faster, and cheaper to operate than the larger Boeing and Douglas planes. |
| www.centennialofflight.gov /essay/Aerospace/Lockheed_early/Aero13.htm (1574 words) |
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