
    433 A.2d 113
    Commonwealth v. Walter Williams a/k/a Bernard Duffy, Appellant.
    Submitted December 6, 1979.
    Timothy A. Crawford, Jr., for appellant; Eric B. Henson, Assistant District Attorney, for Commonwealth, appellee.
    Before BROSKY, WICKERSHAM and ROBERTS, JJ.
    
    
      
       Justice Samuel J. Roberts of the Supreme Court of Pennsylvania is sitting by designation.
    
   Order affirmed.  