Record revealed
A dramatic plea for Churchill’s help from Bletchley Park
Piece
Catalogue reference: OS 51/166
This record is about the Traverse computer and Double Brunsviga: photograph circa 1940 of the operation of... dating from 1950 Jan 01-1968 Dec 31 in the series Ordnance Survey: Photographs and Pictorial Images. It is held at The National Archives, Kew.
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Traverse computer and Double Brunsviga: photograph circa 1940 of the operation of a double or twin calculating machine
OS 51
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Traverse computer and Double Brunsviga: photograph circa 1940 of the operation of...
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