
Nimfur, Dr. Raimund. Leitfaden der Luftschiffahrt und Flugtechnik. Wein/Leipzig, A. Hartleben's, 1909. 444pp, 221 illus, art deco bookplate of Josef Morgenstern inside front cover. Brown cloth illus cover, very good with minor corner bumps. Part I: Balloons & Airships, Part II: Aerodynamics/Gliding/Powered Flight, Part III: Technical Calculations. A very comprehensive treatment of flight to 1909.