Kavel 2627

WWII, Lot of two original maps/ blueprints, of the secret Luftwaffe test facility at "Völkenrode, Braunschweig", known as "Hermann Göring Research Institute", marked "" Geheime Kommandosache", this was a test location with windtunnel for researching planes and engines, interesting maps from a secret facility the Allies never found during the war, from the estate of "Russel G. Robinson 1908-2003", Alsos mission US Army in WW2 and NACA/NASA