
    Commonwealth v. Nelson, Appellant.
    Submitted September 13, 1971.
    
      John W. Packet, Assistant Defender, and Vincent J. Ziccardi, Defender, for appellant; Norris E. 
      
      Gelman 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.  