Safety at sea. Safety of life at sea through use of radio, hearing before subcommittee, 75th Congress, 1st session, on S. 595, to amend communications act of 1934 for purpose of promoting safety of life and property at sea through use of wire and radio communications, to make more effective international convention for safety of life at sea, 1929, and for other purposes, Feb. 22, 1937.

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