
    No. 690.
    Baltimore Building and Construction Trades Council v. Selby-Battersby & Co. et al.
    
      Claude L. Callegary for petitioner.
    
      Earle K. Shawe and Wilson K. Barnes for. respondents.
    
      Solicitor General Rankin filed a memorandum of. the National Labor Relations Board.
   C. A. 4th Cir. Certiorari denied.  