No. 11003. Argued June 4, 1953. Decided August 26, 1953. Sherman T. Rock, Pittsburgh, Pa. (Theodore M. Burns, Jr., and Paul, Lawrence Rock, Pittsburgh, Pa., on the brief), for petitioner. Melvin Spaeth, Washington, D.C. (George J. Bott, Gen. Counsel, David P. Findling, Asst. Gen. Counsel, A. Norman Somers, Asst. Gen. Counsel, and Samuel M. Singer, Atty., National Labor Relations Board, Washington, D.C., on the brief), for respondent. Before GOODRICH, McLAUGHLIN and KALODNER, Circuit Judges. KALODNER