No. 15709. December 27, 1966. Rehearing Denied February 3, 1967 en banc. Marcel Mallet-Prevost, Asst. Gen. Counsel, Theodore Martineau, Atty., N.L.R.B., Washington, D.C., Arnold Ordman, General Counsel, Dominick L. Manoli, Associate General Counsel, Gary Green, Atty., N.R.L.B., for petitioner. Walter S. Davis, Milwaukee, Wis., Hoebreckx, Davis Vergeront, Milwaukee, Wis., John G. Vergeront, Milwaukee, Wis., of counsel, for respondent. Before HASTINGS, Chief Judge, and FAIRCHILD and CUMMINGS, Circuit