No. 13596. Argued October 5, 1961. Decided November 16, 1961. Marion L. Griffin, Washington, D.C. (Stuart Rothman, Gen. Counsel, Dominick L. Manoli, Associate Gen. Counsel, Marcel Mallet-Prevost, Asst. Gen. Counsel, Allison W. Brown, Jr., Attys. N.L.R.B., Washington, D.C., on the brief), for petitioner. Jack J. Rosenberg, Pittsburgh, Pa., for respondent. Before GOODRICH, STALEY and SMITH, Circuit Judges. STALEY, Circuit Judge. The National Labor Relations Board ("Board") seeks enforcement of an order