Aircraft designer and manufacturer (1878-1930) who pioneered such far-reaching innovations as the aileron, the pontoon airplane, the flying boat, dual pilot controls, and the retractable landing gear. TLS, one page, 7.25 x 10.5, personal letterhead, June 5, 1930. Letter to the Moore Truck Company, in full: "Your telegram of congratulations sent to me at Albany, New York, was very much appreciated." In fine condition.
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