No. 14218. June 5, 1951. Marcel Mallet-Prevost and Bernard Dunau, Attorneys, National Labor Relations Board, Washington, D.C. (George J. Bott, Gen. Counsel, David P. Findling, Associate Gen. Counsel, A. Norman Somers, Asst. General Counsel, and Thomas J. McDermott, Atty., all of Washington, D.C., were with them on the brief), for petitioner. John F. Lane, Washington, D.C. (Clark M. Robertson, Milwaukee, Wis., William F. Howe, Washington, D.C., Robertson Johnson, Milwaukee, Wis., and Gall Lane, Washington