No. 15305. August 2, 1955. Miss Rosanna A. Blake, Atty., N.L.R.B., Silver Springs, Md., Owsley Vose, Asso. Ch. Enf. Br., David P. Findling, Asso. Gen. Cnsl., Marcel Mallet-Prevost, Asst. Gen. Cnsl., N.L.R.B., Washington, D.C., Samuel M. Singer, Attorneys, N.L.R.B., Washington, D.C., for petitioner. Chris Dixie, Houston, Tex., Mullinax Wells, Dallas, Tex., Dixie, Ryan Schulman, Houston, Tex., for respondents. Before RIVES, Circuit Judge, and DAWKINS and DE VANE, District Judges. RIVES, Circuit Judge