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| | Douglas, Donald -- Encyclopædia Britannica |
 | | Douglas assisted Jerome C. Hunsaker in building the first wind tunnel, at the Massachusetts Institute of Technology, Cambridge (191415), and was chief engineer for the Glenn L. Martin Company before organizing his own firm in 1920. |
 | | Douglas Company built its early reputation with the World Cruiser, a... |
 | | city, Adams, Arapahoe, and Douglas counties, north-central Colorado, U.S. An eastern suburb of Denver, Aurora was the third most populous city in Colorado at the start of the 21st century and, occupying 280 square miles (725 square km), the state's largest city in area. |
| www.britannica.com /eb/article-9031042?tocId=9031042 (751 words) |
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