No. 107, Docket 21789. Argued February 7, 1951. Decided March 28, 1951. George J. Bott, General Counsel, David P. Findling, Associate General Counsel, A. Norman Somers, Asst. General Counsel, Frederick U. Reel and Raymond M. Norton, Attorneys, National Labor Relations Board, all of Washington, D.C., for petitioner. Nixon, Hargrave, Middleton Devans, Rochester, N.Y., for respondent; Arthur L. Stern and William H. Morris, Rochester, N Y, of counsel. Before L. HAND, Chief Judge, and SWAN and FRANK,