883 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 55 



Weitere warnende Stimmen. (Die Katastrophe des Zeppelin-Ballons.) 



Wien. Luftsch. Zeit., VII Jahrg., Nr. 9 (Sept. 1908), Wien, pp. 214. S (1272^ 



Weiteste (Die) Luftreise. 



Zeitschr. Luftsch., XVIII Jahrg., 12 Heft, 1899, Berlin, pp. 299-302. S (1272:i 



Weitfahbtpreis des " Etoile Beige." 



111. A6r. Mitt., XI Jahrg., 8 Heft (Aug. 1907), Strassburg, pp. 283-284. S (12724 



Welch, Williams. Distance traveled by Prof. John Wise in 1859 — SO914 

 miles. 



Aeronautics, Vol. 3, No. 1, 1908, New York, p. 33. S (12725 



. Effect of drift upon tlie speed of flying machines. 



Aeronautics, Vol. 4, No. 1 (Jan. 1909), New York, p. 23, fig. 1. S (12726 



. Exact distance travelled bj'^ a balloon. 



Aeronautics, Vol. 3, No. 4 (Oct. 1908), New York, p. 34. S (12727 



Welitschko, K. Zur Taktik d. Luftballons in liinweis auf d. Einwirk. d. 

 rauchfreien Pulvers. Deutsch. v. Drygalski. 



Int. Revue, 1890. (12728 



Wellington, A. M. The mechanics of flight and " Aspiration." Paper read 

 before the Conference of Aerial Navigation at Chicago, August, 1893. 



Eng. News (Oct. 12, 26, 1893), New York, pp. 286-287, 29.5; 335. (12729 



Welljian. See 568, 2836, 3648, 3667, 3668, 3886, 3892, 4123, 4423, 6446, 7350a, 

 8958, 8983e, 9300. 9885, 10014, 11403. 



Wellman-Ballon (Deb). 



Wien. Luftsch. Zeit., VI Jahrg., Nr. 2-3 (Feb., Miirz 1907), Wien, pp. 34-35; 

 51-52, ill. S (12730 



Wellman (The) balloon expedition to the North Pole. 



Aer. Journ., Vol. 10, No. 39, 1!)06, London, pp. 43-44. S (12731 



Aer. Journ., Vol. 10, No. 40, 1906, London, p. 58. S (12732 



Wellman, Chicago Record Herald, Polar Expedition. See 3648, 8958. 



Wellman. II dirigeable " Wellman." 



Boll. Soc. Aer. Ital., Anno IV, N. 2 (Feb. 1907), Roma, p. 47. S (12733 



Wellman in Paris. 



Wien. Luftsch. Zeit., V Jahrg., Nr. 11 (Nov. 1906), Wien, p. 242. S (12734 



Welljiann. La spedizione aeronautica polare Wellinann. 



Boll. Soc. Aer. Ital., Anno IV, N. 8 (Agosto 1907), Roma, pp. 278-279, figs. 

 2. S (12735 



. Les preparatifs de Wellmann. 



La Conq. I'Air, i" annee, No. 16 (aofit 1907), Bruxelles, p. 4. S (1273<» 



