No. 16694. November 29, 1961. Leo N. McGuire, Atty., National Labor Relations Board, Washington, D.C. made argument for petitioner. Stuart Rothman, Gen. Counsel, Washington, D.C., Dominick L. Manoli, Assoc. Gen. Counsel, Marcel Mallet-Prevost, Asst. Gen. Counsel, Samuel M. Singer, Atty., and Leo N. McGuire, Atty., NLRB, Washington, D.C. were on the brief. Hobart E. Newton, Stuart, Iowa, made argument for respondent, and was on the brief. Before SANBORN, MATTHES and RIDGE, Circuit Judges. SANBORN