
    Commonwealth v. Tygh, Appellant.
    
      Argued March 26,1973.
    
      Drew Saloman, Assistant Defender, with him. Jonathan Miller, Assistant Defender, and Vincent J. Ziccardi, Defender, for appellant; Louis A. Perez, Jr., Assistant District Attorney, with him James T. Ranney and Milton M. Stein, Assistant District Attorneys, and Arlen Specter, District Attorney, for Commonwealth, appellee.
   Judgment of sentence affirmed.  