
    United States Gypsum Company, v. Thomas D. Randall et al. Economy Plumbing and Heating Company, Inc. et al., appellants, v. Johanna Habenicht, appellee.
    Gen. No. 40,500.
    Opinion filed May 22, 1939.
    Arthur J. Goldberg and Joseph B. Bergman, for appellants; Arthur J. Goldberg and Leonard G. Nierman, of counsel. Harry A. Biossat, for appellee Johanna Habenicht.
   Mr. Justice O’Connor

delivered the opinion of the court.  