
    Rittenhouse v. Fleck Industries, Inc., Appellant.
    
      Argned December 4, 1972.
    
      Patrick T. Ryan, with Mm Ward T. Williams, and Drinker, Biddle & Reath, for appellant; Parke H. Ulrich, with Mm Fox, Differ, Callahan & Ulrich, for appellee.
   Judgment affirmed.  