
    Emile R. Shnable and John B. Quinn, trading as Shnable and Quinn, plaintiffs in error, v. The Sanitary District of Chicago, defendant in error.
    Gen. No. 37,192.
    Opinion filed June 15, 1934.
    Rehearing denied June 29, 1934.
    Leo Conlon, for plaintiffs in error. William Rothmann, Thomas F. Donovan and E. Beebe, for defendant in error; Frank Johnston, Jr., and Meyer C. Edelman, of counsel.
   Mr. Presiding Justice Matehett

delivered the opinion of the court.  