
    Commonwealth v. Knowles, Appellant.
    
      Submitted March 22, 1972.
    
      Francis S. Wright, Assistant Defender, and Vincent J. Ziccardi, Defender, for appellant; Judith Dean 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.  