BIBLIOGRAPHY OF AERONAUTICS — BROCKETT 671 



PiALLAT, J. Etude sur raluminium. 



L'Afronaute, 5<= annC'e, No. 8 (aoOt 1872), Paris, pp. 123-127. S (9733 



PiANA, LuiGi. Descrizione della Maschina aerostatica di Luigi Plana. 



Roma, 1826. (9T34 



PicARD, E. Une ascension. 



L'A^rophile, 3« annfe, Nos. 9-10 (sept, oct. 1895), Paris, pp. 170-171. S (0735 



PiCHANcouRT. See 11907. 



PicHou, Alfred. A propos des recentes experiences d'allegement. Le susten- 

 teur-propiilseiir Pichou. 



L'Aerophile, 11« annfie, No. 6 (juin 1903), Paris, p. 138. S (9736 



. L'auto-aerienne Pichou. 



L'A^rophile, 11^ annee, No. 2 (fev. 1903), Paris, pp. 45-47, ills. 2. S (9737 



. Le sustenteur-propulseui' Pichou. 



L'Aerophile, 11« ann6e. No. 1 (Jan. 1903), Paris, pp. 18-20, ills. 2. S (9738 



Pickering, William H. How a bird soars. 



Aeronautical Annual, No. 2, 1896, Boston, pp. 77-79. S (9739 



. The future of artificial flight. 



Aeronautics, Vol. 2, No. 6, 1908, New York, pp. 16-17. S (9740 



. The vertical screw or helicoptere. 



Nav. the Air, Aero Club of Amer., 1907, New York, pp. 112-116, ill. 2. S, (9741 



Pictorial history of flight. 



Souv. Suppl. Flight., Vol. 1, No. 12 (March 19, 1909), London, pp. 1-16, ills. 

 38. S (9742 



Pierce, Percy. See 220. 



PiERPONT, Harlan T. Aero Club of Springfield. 



Fly, Vol. 1, No. 7 (May 1909), Philadelphia, p. 15. S (9743 



PiERRiER, F. See 3437. 



Pierrot, Petit. Le pour et le contre. 



L'Agrophile, 16« ann^e. No. 13 (1 juil. 1908), Paris, p. 263. S (9744 



Pigeons. See 2005, 2487, 2649, 2872, 3248, 5730, 6115, 6715, 7147, 7148, 8875, 

 10472, 10601, 11123, 11124, 11805, 12026, 12932. 



" Pigeon Vole." Simple note sur I'aviation, dedie a MM. Archdeacon, Ferber. 



L'Aerophile, 15« annee. No. 1 (Jan. 1907), Paris, p. 19. S (9745 



. Sur la stabilite des aeroplanes. 



L'Aerophile, 15« annee. No. 6 (juin 1907), Paris, pp. 140-143, figs. 2. S (9746 



PiGNONi. Lettre a Nadar sur la navigation aerienne. 



Toulon, 1865, 8°, pp. 8, pi. 1. (9747 



