
    Crum et al. v. Baer et al., Appellants.
    Argued June 11, 1975.
    
      Clyde W. McIntyre, with him 
      David E. Lehman, and McNees, Wallace1 & Nurick, for appellants; Irwin Benjamin, with him Charles E. Wasi~ lefski, and Hurwitz, Klein, Benjamin & Angino, for ap-pellees.
   Order affirmed.  