
    Theodore Zelinka et al., Plaintiffs-Appellants, v. The City of Chicago et al., Defendants-Appellees.
    (No. 55993;
    First District (3rd Division)
    October 5, 1972.
    
      Rehearing denied March 23, 1973.
    
    Daniel L. Houlihan, of Chicago, for appellants.
    Richard L. Curry, Corporation Counsel, of Chicago, (William R. Quinlan and Thomas J. Cachor, Assistant Corporation Counsel, of counsel,) for appellees.
   Opinion by

Mr. JUSTICE McNAMARA.  