No. 6324. Argued October 17, 1951. Decided October 29, 1951. David C. Sachs, Chief Law Officer, Region 5, National Labor Relations Board, Washington, D.C. (George J. Bott, Gen. Counsel, David P. Findling, Associate Gen. Counsel, A. Norman Somers, Asst. Gen. Counsel, Owsley Vose, all of Washington, D.C., and Rosanna A. Blake, Takoma Park, Md., National Labor Relations Board, on brief), for petitioner. Whiteford S. Blakeney, Charlotte, N.C. (Philip F. Newman, Philadelphia, Pa., and Pierce Blakeney