
    Wolff Coal Saver Company, appellant, v. Houston Porter, appellee.
    Gen. No. 32,309.
    Opinion filed February 27, 1928.
    Rehearing denied March 12, 1928.
    Frances E. Spooner, for appellant. K. B. Czarnecki, for appellee.
   Mr. Justice O’Connor

delivered the opinion of the court.  