No. 8555. Argued May 30, 1962. Decided October 5, 1962. Melvin J. Welles, Attorney, National Labor Relations Board (Stuart Rothman, Gen. Counsel, Dominick L. Manoli, Associate Gen. Counsel, Marcel Mallet-Prevost, Asst. Gen. Counsel, and Peter M. Giesey, Attorney, National Labor Relations Board, on the brief), for petitioner. William B. Devaney, Washington, D.C. (Charles V. Wehner, Kingwood, W. Va., and Steptoe Johnson, Charleston, W. Va., on the brief), for respondent. Before SOBELOFF, Chief Judge