American astronomer, physicist, and aviator (1834-1906), who conducted some of the first manned flights with his Army-funded Aerodrome aircraft. ALS signed “S. P. Langley,” one page, 5.25 x 8, Gran Hotel, Washington Irving letterhead, August 27, 1892. Letter to Walter Hough, in full: "Mr. Goode and I (without having absolutely determined our course) will probably leave here Monday for Cordova, and leave Cordova Tuesday evening by the Madrid Express stopping at Toledo and reaching Madrid Wednesday evening. In any case I expect to leave Madrid for Paris by the Rapid Express on Thursday afternoon (due in Paris Friday evening), and I write to ask you to please secure me in advance a good lower berth. I presume the porter of the Hotel will attend to it if desired." In fine condition. Accompanied by the original mailing envelope, addressed in Langley's own hand.
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