
    (No. 6037
    McDonnell Automation Company, Claimant, vs. State of Illinois, Department of Public Works and Buildings, Respondent.
    
      Opinion filed May 11, 1971.
    
    McDonnell Automation Company, Claimant, pro- se.
    William J. Scott, Attorney General; William E. Webber, Assistant Attorney General, for Respondent.
   Perlin, C.J.  