No. 15796. December 27, 1957. Frederick U. Reel, Atty., N.L.R.B., Washington, D.C. (Jerome D. Fenton, Gen. Counsel, Stephen Leonard, Associate Gen. Counsel, Marcel Mallet-Prevost Asst. Gen. Counsel, and Duane B. Beeson, Atty., N.L.R.B., Washington, D.C., on the brief), for petitioner. Glenn L. Moller, St. Louis, Mo. (Moller Talent, St. Louis, Mo., on the brief), for respondents. Before SANBORN, WOODROUGH and JOHNSEN, Circuit Judges. SANBORN, Circuit Judge. The National Labor Relations Board has petitioned