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Smuggling gangs and coastal policing in 19th-century England
Piece
Catalogue reference: AIR 65/490
This record is about the Trial 300: Trials of British Directional Sonobuoy Mk 1 Series 2: part 5, investigation... dating from 1951 Mar 01 - 1951 Mar 31 in the series Air Ministry: Coastal Command Development Unit, later Air Sea Warfare Development.... It is held at The National Archives, Kew.
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Trial 300: Trials of British Directional Sonobuoy Mk 1 Series 2: part 5, investigation into simulated use of magnetic airborne detection equipment in conjunction with passive directional sonobuoys to detect submerged submarines
AIR 65
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Records created or inherited by the Air Ministry, the Royal Air Force, and related...
Air Ministry: Coastal Command Development Unit, later Air Sea Warfare Development...
Trial 300: Trials of British Directional Sonobuoy Mk 1 Series 2: part 5, investigation...
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