Appeals from the District Court of the United States for the Southern District of New York.
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Mr. John T. Cahill, of New York City, for appellant National Broadcasting Co.
Mr. E. Willoughby Middleton, of Rochester, N.Y., for appellant Stromberg-Carlson Telephone Mfg. Co.
Mr. Charles E. Hughes, Jr., of New York City, for appellant Columbia Broadcasting System.
Mr. Charles Fahy, Sol. Gen., of Washington, D.C., for appellees United States and Federal Communications Commission.
Mr. Louis G. Caldwell, of Washington, D.C., for appellee Mutual Broadcasting System, Inc.
Mr. George Link, Jr., of New York City, for American Ass'n of Advertising Agencies, amicus curiae.
Mr. Justice FRANKFURTER delivered the opinion of the Court.