
    Commonwealth v. Knox, Appellant.
    
      Submitted December 7, 1970.
    
      Robert Semdone and John W. Packet, Assistant Defenders, and Vincent J. Zicca/rdi, Defender, for appellant;
    
      Peter S. Greenberg and Milton M. Stein, Assistant District Attorneys, James D. Crawford, Deputy District Attorney, Richard A. Sprague, First Assistant District Attorney, and Arlen Specter, District Attorney, for Commonwealth, appellee.
   Judgment of sentence affirmed.  