Opinion by
Not to be published in full.
Gen. No. 45,634.
*392Opinion filed November 6, 1952;
rehearing denied November 24, 1952; released for publication December 9, 1952.
John J. Mortimer, Corporation Counsel of Chicago, for appellants; L. Lords Karton, Head of Appeals and Review Division, Carl H. Lundquist, and Stanley R. Drebin, Assistant Corporation Counsel, of counsel; Michael F. Ryan, for ap-pellees; Richard F. MePartlin, Jr., of counsel.
Opinion by
Justice Niemeyer.
Not to be published in full.