Nos. 14052, 14102. Argued May 21, 1963. Decided July 30, 1963. M.H. Goldstein, Philadelphia, Pa. (Goldstein Barkan, Michael Brodie, Philadelphia, Pa., on the brief), for petitioner, Industrial Union of Marine and Shipbuilding Workers of America, AFL-CIO. John H. Morse, New York City (Frank Cummings, New York City, Cravath, Swaine Moore, New York City, on the brief), for Bethlehem Steel Co. (Shipbuilding Division). Nancy M. Sherman, Washington, D.C. (Stuart Rothman, Gen. Counsel, Dominick L. Manoli

No. 21049. June 30, 1971. Stanley R. Zirkin, Atty., N.L.R.B., Washington, D.C., for petitioner; Arnold Ordman, Gen. Counsel, Dominick L. Manoli, Associate Gen. Counsel, Marcel Mallet-Prevost, Asst. Gen. Counsel, Elliott Moore, Stanley R. Zirkin, Attys., N.L.R.B., Washington, D.C., on brief. Douglas C. Dahn, Detroit, Mich., for respondents; Tolleson, Burgess Mead, Robert D. Welchli, Detroit, Mich., on brief. Before CELEBREZZE, PECK and McCREE, Circuit Judges. PER CURIAM. This case is before us a second