
    No. 153.
    Olin Mathieson Chemical Corp. v. National Labor Relations Board.
    
      Wm. A. Stuart and H. W. Stull for petitioner. Simon E. Sobeloff, then Solicitor General, Theophil C. Kammholz and Dominick L. Manoli for respondent.
   C. A. 4th Cir. Certiorari granted.  