
    427 A.2d 1186
    Erwin et ux., Appellants, v. Jones.
    
      Argued June 21, 1979.
    Stewart Bernstein, for appellants; John Lewis, for appellee.
    Before HESTER, HOFFMAN and CATANIA, JJ.
    
    
      
       President Judge Francis J. Catania, of the Court of Common Pleas of Delaware County, Pennsylvania, is sitting by designation.
    
   Order affirmed.  