No. 14853. March 11, 1966. John L. Waddleton, Howard C. Equitz, Maxwell H. Herriott, and James Urdan, Milwaukee, Wis., for petitioner. Marcel Mallet-Prevost, Norton J. Come, Assts. Gen. Counsel, N.L.R.B., Washington, D.C., for respondent. Joseph L. Rauh, Jr., John Silard, Washington, D.C., Stephen I. Schlossberg, Detroit, Mich., Philip L. Padden, Milwaukee, Wis., for respondent. Harold A. Katz, Chicago, Ill., for intervenor. Before HASTINGS, Chief Judge, and DUFFY, SCHNACKENBERG, KNOCH, CASTLE, KILEY