. . . . . . . . "Safety of life and property at sea"@en . "Safety of life and property at sea. Hearing before the Subcommittee on Merchant Marine and Maritime Matters of the Committee on Interstate and Foreign Commerce, United States, Senate, Eighty-second Congress, second session ... April 4, 1952"@en . . . . . . . . . . "Specifications"@en . . . .