Nos. 11121, 11141. March 7, 1955. Rehearing Denied April 5, 1955. David P. Findling, Associate Gen. Counsel, Maurice Alexandre, Atty., George J. Bott, Gen. Counsel, A. Norman Somers, Asst. Gen. Counsel, Bernard Dunau, Atty., N.L.R.B., Washington, D.C., for N.L.R.B. Albert J. Goldberg, Milwaukee, Wis., for Bridge, Structural Ornamental Iron Workers Shopmen's Local 471 (AFL). Morris Karon, Milwaukee, Wis., for Wagner Iron Works. Max Raskin, Milwaukee, Wis., for International Union, United Automobile