
    Chicago Water Purifying Company, appellee, v. Palmer Flour Company, appellant.
    Gen. No. 34,901.
    Opinion filed December 2, 1931.
    L. A. Sherwin, for appellant. Lowcnhaupt & Wolff, for ai)pellee; James R. O’Leary, of counsel.
   Mr. Justice Friend

delivered the opinion of the court.  