Austrian-German aerospace engineer (1905–1964). Original German issue of the 1934 German Rocket Society publication, ‘Flug Zeitschrift fur dat Gesamte Gebiet der Luftfahrt–wissenschaftliches sonderheft translated, roughly: Flight Journal or Magazine for All of Aviation/Air Travel: Special Sciences issue, 23 pages, 8.25 x 12, signed across the top of the first page in fountain pen, adding a brief sentiment in German and the date April 12, 1935. In very good condition, with a central vertical fold, light creasing, scattered toning and spotting, a small separation to the bottom of the spine, central fold, and the subsequent pages, an ink notation, a corner tear, and the expected wear from handling. The entire publication is the article ‘Neuere Ergebnisse der Raketenflugtechnik,’ roughly translating into ‘New Developments in Rocket Flight Technology,’ by Dr. Eugen Sanger, in which he proposed the first orbital bomber, ‘the silver bird,’ featuring images, diagrams, and illustrations. A truly historic publication. RR Auction COA.