778 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 55 



SiVEL, Croc]6-Spinelt.i, a., G. Tissandter et Jobert. Ascension scientifiqus 

 de longue duree. 



0. R. Acad. Sci., T. 80 (jan.-juin 1875), Paris, pp. 8G6-871, ills. 6. S (11366 



SrvEL. Rapport de la commission chargee d'apprecier le projet d'exploration 

 du pole nord k I'aide d'un aerostat. 



L'Afironaute, 5>^ annee, No. 9 (sept. 1872), Paris, pp. 137-157, flg. 1. S (11267 



SivEL ET J. Croc^-Spinelli. See 2540, 3204, 3205, 5269. 



Sivel-Petaed, Jobert, A. Penaud, J. CROc:fe-SPiNELLi. ^'ee 870, 3206. 



Sivel, Th., Croc^-Spinelli, Gaston Tissakdier, Jobert, Albert Tissandier. 

 Ascension scientifique de longue duree des 23-24 mars 1875. 



L'Afironaute, 8« annfie. No. 5 (mai 1875), Paris, pp. 140-149, figs. 10-15. S (11268 



" Skagerak." see 3159. 



Skin Friction. See Air, Friction of, 1153, 1154. 



Skin (The) of the atmosphere. 



Aer. World, Vol. 1, No. 8, 1903, Glenville, Ohio, p. 178. S (11269 



Skycycle. See 468, 1223. 



Skyscraping at Fort Mj^er. 



Collier's, Vol. 42, No. 1, 1908, New York, p. 11, ill. S (11270 



Slaby. Ein lenk barer Luftballon. 



Verb. Polyt. Ges., Band XLII, 1880, Berlin, p. 91. (11271 



S.M. Alphonse XIII a I'Aero-Club de France. 



L'Afirophile, 13« annge. No. 6 (juin 1905), Paris, pp. 127-129, ill. 1. (11272 



Smith, Augustus W. An Elementary Treatise on Mechanics, Embracing the 



Theory of Statics and Dynamics, and its Application to Solids and Fluids. 



New York, 1865, 8% pp. i-xv, 1-307, figs. S (1127S 



Smith, Edw. W. Experiments with model flying machine, being a resume of a 

 thesis submitted in 1901 to the University of Pennsylvania. 



Aeronautics, Vol. 2, No. 2, 1908, New York, pp. 20-29, ill. S (11274 



. L'augmentation de la sustentation des aerofeuilles courbes. 



L'Aero-Mficanique, l''" annge. No. 5 (dfec. 1908), Bruxellee, pp. 2-3, figs. 1-4. S (11275 



. The increased lifting effect of curved aeroplanes. 



Aeronautics, Vol. 3, No. 5 (Nov. 1908), New York, pp. 8-10, 45, figs. 1-4. S (11276 



Smith, James Walter. A metal balloon. 



strand Mag., Vol. 15, No. 87, 1898, London, pp. 283-288, ill. S (11277 



Smith, Warren H. Scientific kite flying in America. 



111. A6r. Mitt., Nr. 3 (Juli 1899), Strassburg, pp. 85-86, ill. S (11278 



Smith's (H.) apparatus for aerial ascension. 



Scient. Anier., Vol. 66, 1892, New York, p. 167. S (11279 



