No. 14777. Argued September 22, 1964. Decided December 14, 1964. Melvin Welles, Atty., N.L.R.B., Washington, D.C. (Arnold Ordman, Gen. Counsel, Dominick L. Manoli, Associate Gen. Counsel, Marcel Mallet-Prevost, Asst. Gen. Counsel, Gladys Kessler, Atty., N.L.R.B., on the brief), for petitioner. Robert E. Wachs, Wolf, Block, Schorr Solis-Cohen, Philadelphia, Pa., for Air Master Corp. and others Saul C. Waldbaum, Philadelphia, Pa., for Union. Before HASTIE and FORMAN, Circuit Judges, and KIRKPATRICK

No. 20655. December 19, 1966. Kenneth M. Schwartz, Robert M. Dohrmann, of Arnold, Smith Schwartz, Los Angeles, Cal., for petitioner. Arnold Ordman, General Counsel, Dominick L. Manoli, Associate Gen. Counsel, Marcel Mallet-Prevost, Asst. Gen. Counsel, Glen M. Bendixsen, Atty., William J. Avrutis, Atty., N.L.R.B., Washington, D.C., Ralph Kennedy, Director, N.L.R.B., Los Angeles, Cal., for respondent, N.L.R.B. George E. Bodle, Daniel Fogel, Stephen Reinhardt, Loren R. Rothschild, of Bodle Fogel, Los

No. 8894. Argued June 12, 1963. Decided August 19, 1963. Arthur M. Goldberg, Atty., National Labor Relations Board (Stuart Rothman, Gen. Counsel, Dominick L. Manoli, Assoc. Gen. Counsel, Marcel Mallet-Prevost, Asst. Gen. Counsel, and Allison W. Brown, Jr., Atty., National Labor Relations Board, on brief), for petitioner. James J. Doherty (Friedman Goodman on brief), for respondent. Before SOBELOFF, Chief Judge, and HAYNSWORTH and BOREMAN, Circuit Judges. BOREMAN, Circuit Judge. The National Labor