
    (No. 6131
    Pettitt Photo Service, Claimant, vs. State of Illinois, Department of Public Works and Buildings, Respondent.
    
      Opinion filed August 30, 1971.
    
    Pettitt Photo Service, Claimant, pro se.
    William J. Scott, Attorney General; William E. Webber, Assistant Attorney General, for Respondent.
   Perlin, C.J.  