No. 14481. Argued December 15, 1958. Decided March 19, 1959. Mr. S.G. Lippman, Washington, D.C., for petitioner. Mr. Joseph E. Finley, Washington, D.C., also entered an appearance for petitioner. Mr. Owsley Vose, Attorney, National Labor Relations Board, with whom Messrs. Jerome D. Fenton, General Counsel, National Labor Relations Board, Thomas J. McDermott, Associate General Counsel, National Labor Relations Board, and Marcel Mallet-Prevost, Asst. General Counsel, National Labor Relations Board