Nos. 6666, 6690. Argued January 5, 1954. Decided March 15, 1954. Thornton H. Brooks, Greensboro, N.C. (Gerard D. Reilly, Washington, D.C., Walter G. Powers, Taunton, Mass., C.E. Rhetts and Charles E. Hewes, Washington, D.C., on brief), for the companies and individuals. Owsley Vose, Attorney, National Labor Relations Board, Washington, D.C. (George J. Bott, General Counsel, David P. Findling, Associate General Counsel, A. Norman Somers, Asst. General Counsel, and Mary E. Williamson, Attorney, National