No. 19508. September 4, 1969. Thomas M. Vogt, of Felhaber, Larson, Fenlon Vogt, St. Paul, Minn., for petitioner, Thomas J. Scheuerman, St. Paul, Minn., on the briefs. John I. Taylor, Atty., N.L.R.B., Washington, D.C., for respondent, Arnold Ordman, Gen. Counsel, Dominick L. Manoli, Assoc. Gen. Counsel, Marcel Mallet-Prevost, Asst. Gen. Counsel, and Michael N. Sohn, Atty., N.L.R.B., on the brief. Before VOGEL, MATTHES and BRIGHT, Circuit Judges. BRIGHT, Circuit Judge. In this proceeding, the National