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Langley's aeronautical experiments appeared to have concluded with the successful flights of Aerodromes No. 5 and 6, but privately he intended to raise funds to begin work on a full-scale, human-carrying aircraft. He believed his only real hope of securing the kind of funding necessary was from the federal government. The breakthrough came when Langley's friend and colleague, Charles D. Walcott, o
- द्वारा Smithsonian Institution
- श्रेय: Transferred from the Smithsonian Institution to the United States National Museum
- अधिकार: CC0
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