German Luftwaffe 1936 dated Dreieckrechner baumuster DR2 (triangle calculator model DR2). Navigation device used to calculate flight courses ,wind speeds and distances by the crew while in flight. From Heinkel He111 2/KGr126 work number 6955 which was shot down during the Blitz on London by a British night fighter at 2.00am on 16th Oct.1940 while on a mine laying sortie over the Thames estuary ,crashed at Creaseys farm ,Hutton near Brentwood..
German Luftwaffe 1936 dated Dreieckrechner baumuster DR2 (triangle calculator model DR2). Navigation device used to calculate flight courses ,wind speeds and distances by the crew while in flight. From Heinkel He111 2/KGr126 work number 6955 which was shot down during the Blitz on London by a British night fighter at 2.00am on 16th Oct.1940 while on a mine laying sortie over the Thames estuary ,crashed at Creaseys farm ,Hutton near Brentwood..
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