No. 15723. November 18, 1957. Harry H. Craig, St. Louis, Mo. (Norman W. Armbruster, John T. Wiley, Jr., and Wiley, Craig, Armbruster, Schmidt Wilburn, St. Louis, Mo., on the brief), for petitioner. Frederick U. Reel, Attorney, National Labor Relations Board, Washington, D.C. (Jerome D. Fenton, General Counsel, Stephen Leonard, Associate General Counsel, Marcel Mallet-Prevost, Asst. General Counsel, and Melvin Pollack, Attorney, National Labor Relations Board, Washington, D.C., on the brief), for