No. 17290. April 19, 1968. Norman Diamond, Washington, D.C., for petitioner, David R. Kentoff, Washington, D.C., Barry J. Levey, Middletown, Ohio, on the brief, Arnold Porter, Washington, D.C., Levey Levey, Middletown, Ohio, of counsel. Allen J. Berk, National Labor Relations Board, Washington, D.C., for respondent, Arnold Ordman, Gen. Counsel, Dominick L. Manoli, Assoc. Gen. Counsel, Marcel Mallet-Prevost, Asst. Gen. Counsel, Herman M. Levy, Theodore Martineau, Attys., National Labor Relations Board