No. 13701. Argued June 13, 1957. Decided September 16, 1957. Mr. Norton J. Come, Attorney, National Labor Relations Board, with whom Messrs. Stephen Leonard, Associate General Counsel, National Labor Relations Board, and Marcel Mallet-Prevost, Asst. General Counsel, National Labor Relations Board, were on the brief, for appellants. Mr. Jonas Silver, New York City, with whom Mr. Bernard Dunau, Washington, D.C., was on the brief, for appellee. Mr. Samuel H. Jaffee, Washington, D.C., also entered an