No. 13229. June 21, 1961. George V. Gallagher, Chicago, Ill., Arthur C. O'Meara, Donald H. Bussman, Chicago, Ill., of counsel, for petitioners. Ann Leonard, Chicago, Ill., amicus curiæ. Marcel Mallet-Prevost, Asst. Gen. Counsel, Julius G. Getman, Attorney, Stuart Rothman, General Counsel, Dominick L. Manoli, Associate General Counsel, Melvin J. Welles, Attorney, National Labor Relations Board, Washington, D.C., for respondent. Before HASTINGS, Chief Judge, CASTLE, Circuit Judge, and GRUBB, District

No. 13473. Argued April 20, 1961. Decided July 24, 1961. Rehearing Denied August 28, 1961. Melvin J. Welles, Washington, D.C. (Stuart Rothman, Gen. Counsel, Dominick L. Manoli, Associate Gen. Counsel, Marcel Mallet-Prevost, Asst. Gen. Counsel, Julius G. Getman, Atty., N.L.R.B., Washington, D.C., on the brief), for appellant. Bernard G. Segal, Philadelphia, Pa. (Samuel D. Slade, Shirley S. Bitterman, Schnader, Harrison, Segal Lewis, Philadelphia, Pa., on the brief), for respondent. Ann Leonard, Chicago