776 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 55 



SiLBEKEK, VrKToii. Grimdziigp der Praktischen Luftschiffahrt. 



Wien. Luftseh. Zeit., VI Jahrg., Nr. in (Okt. 1907), Wien, pp. 211-217. S (11240 



. The art of flying. 



Aeronautics, \'ol. 2, No. 5, 1908, New York, pp. 10-12. S (11241 



. Uiie visite au Capitaine Ferber. 



L'A^rophile, 11* annee, No. 9 (sept. 1903), Paris, pp. 206-207. S (11242 



. Was soil Geschehen? (Die Katastrophe des Zeppelin Ballons.) 



Wien. Luftseh. Zeit., VII Jahrg., Nr. 9 (Sept. 1908), Wien, pp. 207-210. S (11243 



. Wem Gebiihrt der Preis? 



Wien. Luftseh. Zeit., VIII Jahrg., Nr. 1 (Jan. 1909), Wien, pp. 4-6. S (11244 



[SiLBEKER, Victor.] Victor Silberer. 



L'Aeronautique, 4" annfe, No. 14 (juil. 1905), Paris, pp. 58-59. S (11244a 



SiLBERSTEiN, Ernst. Eine Luftschifffahrt. 



Gartenlaube, 1S5S, 4°, Leipzig, pp. 3.=i4-356. (11245 



SiLVA, Sr. Aug. Carlos da. Bxpedigao Scientifica a Serra da Estrella em 1881. 

 Relatorio do Sr. Aug. Carlos da Silva. Lisboa 1883. 



Reviewed b}- Fieiherr voni Ilag-eii. Ziitschr. Luftseh., II .lahrgf., 9 Heft, 1883, 

 Berlin, p. 286. (11246 



Silver, Thomas. The scientific explanation of the polar tides, and the forma- 

 tion of icebergs. An aerial exploration of the polar regions, by Thomas 

 Silver, C. E. 



New York, Uptown Visitor Print, 1887, 41, vi p., ills., 17 cm. Cover-title: 

 The North pwle polar balloon " Tempori." LC (11247 



Silverstox, A. Rudolph. See 160. 

 . Latest votary of the " Airs." 



American Aeronaut, Vol. 1, No. .5, 1908, St. Louis, pp. 179-181, ill. S (11248 



Similitude mecanique des corps plonges. 



L'Afronaute, 33e ann#e, No. 7 (juil. 1900), Paris, pp. 161-164. S (1124!> 



Simmons. See 4042. 



SIMMS. -See 8824. 



SiMOES, A. F. Inveneao dos Aerostatos reivindicada. Bxame critico das 

 noticias e documentos concernentes as tentativas aeronauticas de Bartho- 

 lomeu Lourengo de Gusmao. 



1868, 8°, pp. 119, figs. 2. (11250 



Simon. See 10132. 



Simon, Bmile. Analyse de I'ouvrage de M. Otto Lilienthal. 



L'Aeronaute, 25« annfe. No. 1 (Jan. 1892), Paris, pp. 5-12. S ' (11251 



SiMONi (Dox) Aeroplane. See 278. 



