Original WW2 Military Documents for sale

** One of the individually-numbered reports issued solely to members of the Western Allies intelligence community with appropriate security clearance. Suppressed and withdrawn from further circulation for security reasons.

WW2 CONFIDENTIAL intelligence report Copy No 107: Brief Report on the Supersonic Wind Tunnel in Kochel (Group 2)

BIOS Intelligence Report. Interrogation Report 93. British Intelligence Objectives Sub-Committee (BIOS). January 1946.

** A report by Dr. Rudolf Hermann on the range of problems and development of the supersonic wind tunnel at Kochel.

Duplicated typewritten report in English, 10 x 7.5 inches, 25 x 19 cms. 8 pages.

Very good in original stapled card wrappers. Protected in a modern clear archival jacket.

A nice 8-page synopsis of the developmental stages of the supersonic wind tunnel and its forerunners from their inception in 1934 and establishment at Peenemunde through to its eventual location at Kochel prior to its removal to the US in 1946.

Dr. Rudolf Hermann was director of the Aerodynamic Institute of the Research Station at Peenemunde from 1937 to 1943. In 1943, he was made director of the supersonic wind tunnel in Kochel.

As mentioned elsewhere, Germany's wartime aeronautical engineering efforts were greatly accelerated by their advances in high-speed wind-tunnel technology, an area in which they were far in advance of anything produced by the Americans.

By the end of the war, Germany had at least three different supersonic wind tunnels, with one capable of Mach 4.4 (heated) airflows.

This classified WW2 intelligence report is part of The Barré WW2 Jets and Rockets Military Intelligence Collection of similar reports for sale.

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