702 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 55 



Recent aeroplane prizes and the conditions under which they may be com- 

 peted for. 



Scient. Anier. Suppl., Vol. 66, No. 1719 (Dec. 12, 1908), New York, pp. 3S2-383, 

 ill. 1. S (10174 



Recent airship and aeroplane experiments in Europe. 



Scient. Anier., Vol. 95, No. 25 (Dec. 22, 1906), New York. pp. 470-471, ill. (10175 



RficENTES experiences sur I'aviation. 



Le Gen. Civ., T. 44, 1903, Paris, pp. 9-10. (1017« 



Recent experiments in aviation. 



Aeronautics, Vol. 1, No. 5 (April 190S), London, p. 27. S (10177 



Recent experiments of the Brothers Wright. 



Aer. Journ., Vol. 10, No. 87, 1906, London, pp. 14-15. S (1017« 



Recent experiments with aeroplanes. 



Aer. Journ., Vol. 9, No. 35, 1905, London, pp. 52-.53. S (1017» 



Recent foreign aeroplanes. 



Scient. Anier., Vol. 99, No. 8 (Aug. 22, 1908), New York, pp. 124-125, ills. 

 3. S (10180 



Recent French aeroplanes and their performances. 



Sclent. Amer., Vol. 100, No. 26 (June 26, 1909), New York, pp. 481, 487. S (lOlSl 



Recenti misure d'elettricita atmosferica in pallone libero. 



Boll. Soc. Aer. Ital., Anno IV, N. 12 (Die. 1907), Roma, pp. 391-394. S (1018a 



Recent kite experiments at the Blue Hill Observatory. 



Scient. Amer., Vol. 80, No. 8 (Feb. 25, 1899), New York, pp. 123-124, ills. 

 3. S (10183 



Recent successful French monoplanes. 



Scient. Amer., Vol. 100, No. 19 (May 1909), New York, pp. 352, ills. 2. S (10184 



Reception du congres international aeronautique par I'Aero-Club. 



L'Afirophile, 8® ann6e. No. 9 (sept. 190O), Paris, pp. 119-128, ill. 1. S (10185 



Recherches de Le Dantec et de Canovetti sur la resistance de I'air. (En- 

 r6gistreur electrique ])ouvant consignor sur un papier la duree exacte de 

 la chute; loi des perimetres; determination du coefficient K. de la re- 

 sistance de I'air.) 



Bull. Soc. Enc, 9S« annee, SSr. 5, T. 4, 1899, Paris, pp. 1022-1056. (1018C 



Reciiercties sur les gaz rarefies. 



L*A6rophile, 5« annee, Nos. 4-5 (avril, mai 1897), Paris, p. 107. S (10187 



Recknagei,, E. Zur Klarung der Flugfrage. 



Kirchhoff's Techn. Blatt., I Jahrg., Nr. 25, 1901, Berlin, p. 8. (10188 



Reconnaissances photographiques militaires a terre, en mer et en ballon. 



La Conq. I'Air, 4» annSe, No. 17 (sept. 1907), Bruxelles, pp. 3-4. S (lOlSW 



