Email Record: Letter from Chairman, Federal Communications Commission, Commandant, United States Coast Guard, Acting Administrator, Maritime Administration transmitting a letter from the Chairman, Federal Communications Commission, Commandant, United States Coast Guard, Acting Administrator, Maritime Administration, transmitting the joint report of the Federal Communications Commission, the United States Coast Guard, and the Maritime Administration on their study and investigation with respect to the need for installing automatic radiotelegraph call selectors on cargo ships of the United States carrying less than two radio operators, and other such safety devices, and the feasibility thereof, pursuant to Public Law 947, 84th Congress.