Kavel 2625

WWII, Original drawings, 112 photos and blueprints, from the construction site of German secret program "B.V. 101, Zitteraal" in Ötztal, in the Austrian Tirol alps, which was to be a supersonic windtunnel for research of rockets and fighter jets, the tunnel was not completed before the end of the war, and it was dismanteled at the end of 1945, and shipped to France, where it was rebuilt and used by "ONERA" (French aerospace research agency), it is still active and the largest tunnel of its kind, all drawings and photos show buildings, the overview of the turbine, floorplans, maps, explanation writing in original wartime enveloppe, all are of high quality and in good condition, very rare German secret project items, one of a kind piece, from the estate of "Russell G. Robinson 1908-2003", Also mission US Army WWII and NACA/NASA