Nos. 55, 56, Dockets 31183, 31184. Argued September 29, 1967. Decided December 11, 1967. Hans J. Lehmann, Atty., NLRB (Arnold Ordman, Gen. Counsel, Dominick L. Manoli, Assoc. Gen. Counsel, Marcel Mallet-Prevost, Asst. Gen. Counsel, and Nancy M. Sherman, Atty., NLRB, on the brief), for petitioner. William F. Joy, of Morgan, Brown, Kearns Joy, Boston, Mass., for respondent. Before LUMBARD, Chief Judge, and SMITH and KAUFMAN, Circuit Judges. J. JOSEPH SMITH, Circuit Judge: The National Labor Relations