
    No. 953.
    Sanitary District of Chicago v. Activated Sludge, Inc. et al.
    March 10, 1947.
    
      Ernest Buehler, Edmund D. Ad-cock and Ralph M. Snyder for petitioner. Charles L. Byron and Gordon F. Hook for respondents.
   Petition for writ of certiorari to the Circuit Court of Appeals for the Seventh Circuit denied.  