Nos. 344, 345, Dockets 32707, 32855. Argued February 12, 1969. Decided March 19, 1969. A. Terry Van Houten, Rochester, N.Y. (Harris, Beach, Wilcox, Dale Linowitz, Rochester, N.Y., on the brief), for petitioner. Herman M. Levy, Atty., National Labor Relations Board (Arnold Ordman, Gen. Counsel, Dominick L. Manoli, Assoc. Gen. Counsel, Marcel Mallet-Prevost, Asst. Gen. Counsel, on the brief), for respondent. Before ANDERSON and FEINBERG, Circuit Judges, and MANSFIELD, District Judge. Of the Southern