No. 14030. Argued April 11, 1958. Decided June 20, 1958. Mr. M.E. Boiarsky, Charleston, W. Va., for petitioner. Mr. Marcel Mallet-Prevost, Asst. General Counsel, National Labor Relations Board, with whom Mr. Thomas J. McDermott, Associate General Counsel, National Labor Relations Board, Miss Fannie M. Boyls and Mr. William W. Watson, Attorneys, National Labor Relations Board, were on the brief, for respondent. Mr. Stephen Leonard, Associate General Counsel, National Labor Relations Board, at the