No. 6943. Argued April 13, 1955. Decided May 9, 1955. Nancy M. Sherman, Attorney, National Labor Relations Board, Washington, D.C. (David P. Findling, Associate Gen. Counsel, Marcel Mallet-Prevost, Asst. Gen. Counsel, and Samuel M. Singer, Attorney, National Labor Relations Board, Washington, D.C., on brief), for petitioner. Thornton H. Brooks, Greensboro, N.C. (Brooks, McLendon, Brim Holderness, Greensboro, N.C., on brief), for respondent. Before PARKER, Chief Judge, and SOPER and DOBIE, Circuit