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‎"LANGLEY, (SAMUEL PIERPONT) - A PIONEERING PAPER IN AVIATION.‎

Reference : 49066

(1891)

‎Recherches expérimentales aérodynamiques et données d'expérience.‎

‎(Paris, Gauthier-Villars), 1891. 4to. No wrappers. In: ""Comptes Rendus Hebdomadaires des Séances de L'Academie des Sciences"", Tome 113, No 2. Pp. (49-) 104 (entire issue offered). Langley's paper: pp. 59-63. Disbound but clean. Tear to one margin, not affecting the text.‎


‎First appearnce of this pioneering paper in which Langley announced that it is possible, with the motors that we now have, to keep a plane in the air with large speed.In 1891 Langley experimented with steam-engine powered Aerodromes, beginning the series which would lead to the human-carrying machine of 1903. The first of these was designated Aerodrome No. 0 and proved a failure. The second machine, Aerodrome No. 1, was powered by a carbonic acid gas and later by compressed air. Aerodrome No. 2, also built in 1891 was also a disappointment. Aerodrome No. 3 (1892) was of stronger construction and was modified a number of times. A better means of heating the steam was tested on Aerodrome No. 3 and was a decided improvement and was incorporated into Aerodrome No. 4. By the end of 1893 Aerodrome No. 4 was ready for testing and a launching device atop a house boat was built.‎

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‎LANGLEY, Samuel Pierpont.‎

Reference : 16163

(1884)

‎Researches on solar heat and its absorption by the earth's atmosphere.‎

‎Washington : Government Printing Office, 1884 In-4, 242 pages. Cartonnage noir de l'éditeur.‎


‎ United States of America war department. Professional papers of the signal service n° XV. ‎

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‎Abbot (Charles G.) on Samuel Pierpont Langley‎

Reference : 66828

(1934)

‎Samuel Pierpont Langley , Smithsonian Miscellaneous Collections, Volume 92, Number 8 - Publication n° 3281, August 22, 1934‎

‎Government Printing Office, Washington , Smithsonian Institution Malicorne sur Sarthe, 72, Pays de la Loire, France 1934 Book condition, Etat : Bon paperback, original editor's grey printed wrappers grand In-8 1 vol. - 57 pages‎


‎6 plates ex-library, a stamp on the front part of the wrappers, else near fine copy, no other markings‎

Librairie Internet Philoscience - Malicorne-sur-Sarthe
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