844 



SMITHSONIAN MISCELLANEOUS COLLECTIONS 



VOL. 55 



U^iGLiJcK bei einem Fallschirmversuehe. 



Zeitsehr. Luftsch., IX Jahrg., 8 Heft, 1890, Berlin, p. 197. S 



(13176 



Zeitsehr. Luftsch., IX Jahrg., 12 Heft, 1S90, Berlin, p. 290. S 



Ungluck bei einer Ballonfahrt ohne GondeL 



Zeitsehr. Luftsch., VII Jahrg., 12 Heft, 1888, Berlin, pp. 395-396. S 



TJNGLiJcK (Das) bei Pritzwalk. 



Zeitsehr. Luftsch., VII Jahrg., 8 Heft, 1888, Berlin, p. 252. S 



(13177 



(12178 

 (13179 



(J 3180 

 (12181 



"Univers" (L'). See 5244. 



Unification or aeronautic policy in tlie United Kingdom. 



Flight, Vol. 1, No. 19 (May 1909), London, p. 25S. S 



Union Aerophile de France. Resume des proces-verbaiix (annee 1894). 



L'Agrophile, 2e ann^e, Nos. 1-2 (Jan., fev. 1894), Paris, pp. 37-38. S 



United Kingdom, Aero Club of the. »S'ee 145. 



United States. See 2683, 2696, 6106, 12990, 12991, 12996. 



United States balloon service. 



Aer. World, Vol. 1, No. 4, 1902, Glenville, Ohio, p. 90. S (13182 



United States government and flying machines. 



Aer. World, Vol. 1, No. 3, 1902, Glenville, Ohio, pp. 55-56. S (13183 



Universal Aerial Navigation Co., Leggo and Co. See 410. 



" Univers.a^l-Drachenflieger (Ein), mit retirenden Tragflachen." 



Zeitsehr. Luftsch., XVII Jahrg., 6-7 Heft, 1898, Berlin, p. 169. S 



(121S3a 



Unseb Erster Lenkballon. 



Wien. Luftsch. Zeit, VIII Jahrg., Nr. 10 (Mai 1909), Wien, pp. 162-163. S (12184 



Unsere Kunstbeilagen. 



111. Aer. Mitt., Nr. 1 (Jan. 1902), Strassburg, p. 25. S 



Unterricht fiir d. Ballonabteilungen. 



Wien, 1905, pp. 305, ill., pi. 



(12185 

 (12186 



Upper air temperatures for January. February and March. 



Bull, of Mount Weather Observatory, Vol. 1, Part 3, 1908, Washington, D. C, 

 pp. 176-206, maps 4. S (12187 



Upper (The) Rhine Aeronautical Society. 



.\er. Journ., Vol. 1, No. 2, 1897, London, p. 12. 



(13188 



Upptacksresor i lufthafvet af Glaisher, Flammarion, de Fonvielle, Tissandier. 



Stockholm, CXV, ill. (13189 



Upton, Winslow. Physiological effect of diminished air-pressure. 



Science, Vol. 14, 1902, New York, pp. 1012-1013. S 



(12190 



