No. 17293. January 30, 1964. Robert J. Griffith, St. Louis, Mo., for petitioner. William J. Avrutis, Attorney, N.L.R.B., Washington, D.C., Arnold Ordman, General Counsel, N.L.R.B., Washington, D.C., Dominick L. Manoli, Associate General Counsel, N.L.R.B., Marcel Mallet-Prevost, Asst. General Counsel, N.L.R.B., and Melvin Pollack, Attorney, N.L.R.B., Washington, D.C., for respondent. Before VOGEL, BLACKMUN and RIDGE, Circuit Judges. VOGEL, Circuit Judge. A.P. Green Fire Brick Company, petitioner,