Home / Culture and Heritage / First Garden City Heritage Museum / Letchworth Garden City in World War Two / Women workers wiring the code breaking devices made by British Tabulating Machine Company
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Women workers wiring the code breaking devices made by British Tabulating Machine Company
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20th Mar 2010
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E2B® and E2BN® are registered trade marks and trading names of East of England Broadband Network (Company Registration No. 04649057)