
    Meredith et vir, Appellants, v. Frederick.
    Argued March 21, 1975.
    
      John M. Alivernini, with him G. Wayne Renneisen, David N. Rosen, and Harvey, Pennington, Herting & Renneisen, for appellants; William V. Coleman, with him Liebert, Short, Fitzpatrick & Lavin, for appellee.
   opinion by

Hirsh, J.

Order affirmed.  