
    No. 487.
    United States et al. v. City of Detroit.
    
      Solicitor General Rankin, Assistant Attorney General Rice, Hilbert P. Zarky and Lyle M. Turner for the United States, and Glenn M. Coulter for the Borg-Warner Corporation, appellants. Andrew DiMaggio for appellee.
   Appeal from the Supreme Court of Michigan. Probable jurisdiction noted.  