Materials contain photographs of the Hughes XF-11 prototype military reconnaissance aircraft. Howard Hughes piloted the two XF-11 prototypes built: in July 1946, Hughes crashed the first XF-11 in Beverly Hills, California; in April 1947, Hughes successfully flew the second prototype at high speeds and at high altitudes. However, the United States Air Force abandoned the controversial project, and in August of 1947, Hughes was called to testify before the Truman Committee in the U.S. Senate about the failures of the program.
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37 x 49 cm. Relief shown by hachures and spot heights. "Atlas sheet no. 69(B)." "Issued Jan'y 8th 1878." "Expeditions of 1874-1875 & 1877 under the command of 1st. Lieut. Geo. M. Wheeler, Corps of Engineers, U.S. Army." Prime meridians: Greenwich and Washington, D.C. "Weyss, Lang & Herman, del." "By order of the honorable the Secretary of War." "Under the direction of Brig. General A. A. Hunphreys, Chief of Engineers, U. S. Army." Original publisher: U.S. Geographical Surveys West of the 100th Meridian, Scale: 1 inch to 4 miles or 1: 253440.
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