No. 10113. Argued May 5, 1950. May 24, 1950. Mozart G. Ratner, Washington, D.C. (David P. Findling, Associate Gen. Counsel, A. Norman Somers, Asst. Gen. Counsel, Thomas McDermott, National Labor Relations Board, all of Washington, D.C., on the brief), for petitioner. William B. Paul, Pittsburgh, Pa. (John C. Hill, Paul, Lawrence Wills, Pittsburgh, Pa., on the brief), for respondent. Before MARIS, GOODRICH and HASTIE, Circuit Judges. GOODRICH, Circuit Judge. This petition for enforcement of an order