No. 17416. Argued May 28, 1963. Decided June 27, 1963. Mr. John S. McLellan, Kingsport, Tenn., of the bar of the Supreme Court of Tennessee, pro hac vice, by special leave of court, with whom Messrs. Neal Rutledge, Miami, Fla., Herbert S. Thatcher and David S. Barr, Washington, D.C., were on the brief, for petitioner. Mr. Warren M. Davison, Attorney, National Labor Relations Board, with whom Messrs. Stuart Rothman, General Counsel, National Labor Relations Board at the time the brief was filed, Dominick