File Title Cost of erection of Toronto wireless station (HYDRA)
Reference CAB 301/75
Date 27 October 1942 - 29 June 1943
Government Department Cabinet Office
File Accession Date 23 May 2013


A file of correspondence concerning the erection of a wireless station at Toronto codenamed 'Hydra' in 1942, and plans to transfer that station from the Foreign Office to the Air Ministry the following year. Subjects covered in the file include the projected costs for the office buildings, accommodation, and equipment; Treasury concern over the cost of the living quarters; plans to compensate the Foreign Office for the transfer of the station to the Air Ministry from funds of the Secret Intelligence Service (MI6) and Special Operations Executive (SOE); and the abandonment of the transfer at the instigation of 'C'.

Document Title Date
i Front Cover Download PDF (86 KB)
1st Cost of Erection of Toronto Wireless Station (HYDRA) Download PDF (1.97 MB)
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