
    Beta Engineering, Incorporated, Plaintiff-Appellant, v. E. W. Bliss Company, Defendant-Appellee.
    (No. 56855;
    First District
    January 29,1973.
    John Narusis, Jr., of Chicago, for appellant.
    Davis, Dietch & Ryan, of Chicago, for appeUee.
   Opinion by

Mr. JUSTICE EGAN.  