Details
4Schriften der Deutschen Akademie der Luftfahrtforschung,
three volumes (heft 3, 22 and 47), card covers, heft 47 signed by Professor Lutz and including ejection seat development accompanied by photographs of ejection sequence from a Ju 87, Heft 3 wind tunnel technology, Heft 22 Autogyro development; text, diagrams, photographs c. 1937-43, together with three similar volumes including jet aircraft, forward wing swap and canard airframe concepts; dedication and letter from author, Felix Kracht in 1944 volume (6)
three volumes (heft 3, 22 and 47), card covers, heft 47 signed by Professor Lutz and including ejection seat development accompanied by photographs of ejection sequence from a Ju 87, Heft 3 wind tunnel technology, Heft 22 Autogyro development; text, diagrams, photographs c. 1937-43, together with three similar volumes including jet aircraft, forward wing swap and canard airframe concepts; dedication and letter from author, Felix Kracht in 1944 volume (6)