No. 15643. Argued December 2, 1960. Decided April 27, 1961. Certiorari Denied October 9, 1961. See 82 S.Ct. 42. Mr. James F. Carroll, Washington, D.C., with whom Mr. Herbert S. Thatcher, Washington, D.C., was on the brief, for petitioners. Mr. Frederick U. Reel, Atty., N.L.R.B., with whom Messrs. Stuart Rothman, Gen. Counsel, Dominick L. Manoli, Associate Gen. Counsel, Marcel Mallet-Prevost, Asst. Gen. Counsel, and James C. Paras, Atty., N.L.R.B., were on the brief, for respondent. Before WILBUR