
    371 A.2d 1313
    Smith, Appellant, v. Port Authority of Allegheny County, et al.
    Argued November 11, 1976.
    John F. Cambest, with him Zappala & Zappala, for appellant; G. N. Evashavik, with him Evashavik, Capone & Evans, for appellee.
   Judgment affirmed.  