No. 6015. Argued January 11, 1950. Decided March 6, 1950. William Feldesman, Assistant General Counsel, National Labor Relations Board, Washington, D.C. (David P. Findling, Associate General Counsel, A. Norman Somers, Assistant General Counsel, Marcel Mallet-Prevost and Samuel M. Singer, Attorneys, National Labor Relations Board, Washington, D.C., on brief), for petitioner. L.P. McLendon and Thornton H. Brooks, Greensboro, N.C. (Thomas D. Cooper, Burlington, N.C., on brief), for respondent. Before