 | Fred Howard - 1987 - 568 pages
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 | C. R. Roseberry - 1991 - 582 pages
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 | Wilbur Wright - 2000 - 824 pages
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 | James R. Hansen - 2004 - 292 pages
...him: The knowledge that the head of the most prominent scientific institution of America believed in the possibility of human flight was one of the influences that led us to undertake the preliminary investigation that preceded our active work. He recommended to us the books which enabled us to form... | |
 | James R. Hansen - 2004 - 298 pages
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The knowledge that the head of the most prominent scientific institution of America believed in the possibility of human flight was one of the influences that led us to undertake the preliminary investigations that preceded our active work. He recommended... 
