** An outstandingly rare WW2 Confidential military intelligence report, every distributed copy with its own unique security number, this being 'Copy No. 50'.
Very few examples of this classified and security-numbered report have survived. Because of the report's extreme rarity, few collectors know these documents exist; only a tiny handful actually owns one.
WW2 CONFIDENTIAL report Copy No 50: Assisted Take-Offs and Landings including Use of Parachutes
BIOS Intelligence Report. Interrogation Report 105. British Intelligence Objectives Sub-Committee (BIOS). June 1946.
** A lecture by German wartime scientist Dr. Georg Madelung at BuAer (US Bureau of Aeronautics) 10th June 1946.
Duplicated typewritten report in English, 10 x 7.5 inches, 25 x 19 cms. 6 pages.
Very good in original stapled card wrappers. Printing somewhat pale. Protected in a modern clear archival jacket.
Georg Hans Madelung (1889-1972), a noted German aeronautical engineer was involved during WW2 with aeronautical warfare research, including work with von Braun's rocket program. After the war, Madelung resumed work in both Germany and the USA.
Madelung's research included the effects of high acceleration on the human body and the design of parachutes for various applications. The importance of this work was swiftly recognised by the western allies resulting in this and other reports.