
    429 A.2d 766
    Piotrkowski, etc., Appellants at No. 411 v. Mittelman, Appellant at No. 501.
    Argued December 5,1979.
    Joseph D. Shein, for appellants (at No. 411); Stephen S. Phillips, for appellant (at No. 501); Joseph D. Shein, for appellees (at No. 501); Stephen S. Phillips, for appellee (at No. 411).
    Before PRICE, WATKINS and HOFFMAN, JJ.
   Order affirmed.  