. "1090645050"^^ . . . . . "The Department of the Director of Underwater Weapons Materials originally known as the Torpedo Department was a former department of the British Department of Admiralty from 1917 to 1958 when it became the Underwater Weapons Division of the Weapons Department."@en . "Department of the Director of Underwater Weapons Materials"@en . . . . "Torpedo Department"@en . . . . . "8517"^^ . . . . . . . "Department of the Director of Underwater Weapons Materials"@en . . . . . . . . . "1917"^^ . . . . . "1958"^^ . "59843187"^^ . "Department"@en . . . . . "Director of Underwater Weapons Materials"@en . "The Department of the Director of Underwater Weapons Materials originally known as the Torpedo Department was a former department of the British Department of Admiralty from 1917 to 1958 when it became the Underwater Weapons Division of the Weapons Department."@en . . "1917"^^ . . . "Department of the Director of Underwater Weapons Materials"@en . . "1958"^^ . . .