Nos. 17771, 18038. August 30, 1968. John O. Henry, Dayton, Ohio, for petitioner; Hubert A. Estabrook, Francis X. Lee, Dayton, Ohio, on brief; Estabrook, Finn McKee, Thomas B. Kreutz, Ernest T. Hix, Dayton, Ohio, of counsel. Gary Green, Atty., N.L.R.B., Washington, D.C., for respondent; Arnold Ordman, Gen. Counsel, Dominick L. Manoli, Associate Gen. Counsel, Marcel Mallet-Prevost, Asst. Gen. Counsel, Corinna Lothar Metcalf, Atty., N.L.R.B., Washington, D.C., on brief. Before WEICK, Chief Judge, and