No. 21064. January 11, 1965. Rehearing Denied February 23, 1965. Marcel Mallet-Prevost, Asst. Gen. Counsel, Dominick L. Manoli, Assoc. Gen. Counsel, N.L.R.B., Margaret M. Farmer, Atty., N.L.R.B., Washington, D.C., Arnold Ordman, Gen. Counsel, Melvin Pollack, Atty., N.L.R.B., for petitioner. L.G. Clinton, Jr., H.L. Deakins, Jr., Houston, Tex. (Fulbright, Crooker, Freeman, Bates Jaworski, Houston, Tex., of counsel), for Albritton Engineering Corp. Before WISDOM and GEWIN, Circuit Judges, and HANNAY