Nos. 12889, 12915. May 25, 1961. Howard P. Robinson, Chicago, Ill., William F. Guffey, Paul C. Zempel, St. Louis, Mo., M.E. Boiarsky, Charleston, W. Va., Welly K. Hopkins, Washington, D.C., Edmund Burke, Springfield, Ill., for petitioner. Thomas J. McDermott, Assoc. Gen. Counsel, Louis Schwartz, Atty., N.L.R.B., Washington, D.C., for respondent. Before DUFFY and SCHNACKENBERG, Circuit Judges, and MERCER, District Judge. DUFFY, Circuit Judge. The National Labor Relations Board has petitioned for a