Nos. 15289, 15330. March 31, 1964. J. Mack Swigert, Cincinnati, Ohio, Frank H. Stewart, Cincinnati, Ohio, on brief; E.J. Fasold, Cincinnati, Ohio, of counsel, for Philip Carey Mfg. Co. Lowell Goerlich, Washington, D.C., for International Union, etc. William J. Avrutis, Washington, D.C., Arnold Ordman, General Counsel, Dominick L. Manoli, Associate General Counsel, Marcel Mallet-Prevost, Asst. General Counsel, Allison W. Brown, Jr., Attorney, N.L.R.B., Washington, D.C., on brief, for N.L.R.B. Before