No. 10863. Argued May 10, 1951. Decided July 5, 1951. John E. Powell, Washington, D.C., with whom Arthur P. Drury and John M. Lynham, Washington, D.C., were on the brief, for petitioner. Dominick L. Manoli, Atty., National Labor Relations Board, Washington, D.C., with whom A. Norman Somers, Asst. Gen. Counsel, National Labor Relations Board, Washington, D.C., was on the brief, for respondent. Before CLARK, PROCTOR and BAZELON, Circuit Judges. BAZELON, Circuit Judge. Samuel Kohen was employed as an