No. 16738. November 14, 1961. Russell Specter, Atty., N.L.R.B., Washington, D.C., made argument for petitioner. Stuart Rothman, Gen. Counsel, N.L.R.B., Washington, D.C., Dominick L. Manoli, Associate Gen. Counsel, Marcel-Mallet-Prevost, Asst. Gen. Counsel, Melvin Pollack, Atty., N.L.R.B., Washington, D.C., were with him on the brief. John H. Mitchell, Fort Dodge, Iowa, made argument for respondent and was on the brief. Before SANBORN, MATTHES and RIDGE, Circuit Judges. RIDGE, Circuit Judge. This