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Habrington, Mark W. Systematic explorations of the upper air, with esti- 

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Aeronautics, Vol. 1, No. 12 (Sept. 1894), New York, pp. 166-167, fig. 1. S (5773 



Harrison. Mechanical flight. 



Amer. Mach., Vol. 14, No. 40, 1891, New York. (5774 



Hakry, James Spence. See 8978, 12017. 

 Harte. a theory of flight. 



London, 1871. (5775 



Habting, p. Observations sur I'etenclue relative des ailes et le poids des 

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L'Aeronaute, 3« ann^e. No. 2, 1870, Paris, pp. 17-26. S (5770 



. Observations upon the relative size of the wings and the weight of the 



pectoral muscles, in the vertebrated flying animals. 



Fifth Annual Report of the Aeronautical Society of Great Britain, 1870, Green- 

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Haritjeben, a. and Hiram Hoknes. See 6274. 

 Habtwig. L'air et sa vie. 



1870. Translated from the Russian. (5778 



Habtwig, G. Aerial world. A popular account of phenomena and life of 

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London, 1874-1877. • (5779 



. Das Leben des Luftmeeres. Streif ziige in das atmospharische Reich. 



Kap. 31-40. Die ersten Luftschiffer, der gefesselte Ballon, Wissenschaft- 

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1872, 8% pp. 831, ills. 8, 5 Holzschnitten. (5780 



. The aerial world; a popular account of the phenomena and life of the 



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London, 1892, New Ed., pp. 556, figs. 51, pis. 8, map. S (578 J 



Harwood, W. a.; J. E. Petavel, W. H. Dines and W. E. Thrift. See 3626. 

 Haseneeld. L'aero bi-plane ou les premiers pas vers le vol. 



L'Aeronaute, 11^ annee, No. 5 (mai 1878), Paris, pp. 153-160, figs. 41-43. S (5782 



. Sur la navigation aerienne par Sir George Cayley. 



L'Aeronaute, lO^ annee. No. 6 (juin 1877), Paris, pp. 179-182; No. 7 (juillet), 

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 figs. 67-69; No. 10 (oct.), pp. 289-293, figs. 76-77; No. 11 (nov.), pp. 317-329, figs. 

 86-90. S (5783 



