File 72 | 1949 Secret 'Ministry of Transport – Revised arrangements for controlling transmissions from Radio Beacons in event of outbreak of hostilities' - Hull History Centre Catalogue

Records of Humber Conservancy and the Humber Ports (Records deposited by Associated British Ports and its Predecessors) > Humber Conservancy > Secretary's Office: General Administration > Correspondence/Subject Files > File 72 | 1949 Secret 'Ministry of Transport – Revised arrangements for controlling transmissions from Radio Beacons in event of outbreak of hostilities'

File 72 | 1949 Secret 'Ministry of Transport – Revised arrangements for controlling transmissions from Radio Beacons in event of outbreak of hostilities'

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