Dam charge test, Nant-Y-Gro reservoir 1 May 1942.tif

Date: 1 May 1942 Reference: AVIA 10/369 Creator: Records created or inherited by the Ministry of Aviation and successors, the Air Registration Board, and related bodies Catalogue context: Result Book of tests at Nant-y-Gro Dam and on models in connection with "Dam Busters Raid" 1943: Vol II. Includes 122 photographs depicting: Tests on gravity models of Nant-y-Gro and Mohne dams in preparation for Dambusters raid. Dated 1941-1942. Subjects: Air Force; Air transport; Armed Forces (General Administration) Copyright information: Copyright clearance for publication is not required, except in the case of documents in third-party copyright. Usage terms: https://www.nationalarchives.gov.uk/documents/information-management/use-of-tna-materials.pdf