
    Pittsburgh Housing Authority (et al., Appellant), v. Zarpas.
    Argued March 14, 1968.
    Before Musmanno, Jones, Cohen, Eagbn, O’Brien and Roberts, JJ.
    
      Louis Vair a, for appellant.
    
      Richard S. Crone, with him Crone and Cohen, for appellees.
    April 16, 1968:
   Opinion

Per Curiam,

Judgment affirmed.

Mr. Chief Justice Bell took no part in the consideration or decision of this case.  