
    (No. 6042
    Petrolane Gas Service, Claimant, vs. State of Illinois, Department of Public Works and Buildings, Respondent.
    
      Opinion filed May 11, 1971.
    
    Petrolane Gas Service, Claimant, pro se.
    William J. Scott, Attorney General; William E. Webber, Assistant Attorney General, for Respondent.
   Perlin, C.J.  