
    Pittsburgh Finance Building Corporation, Appellant, v. Fire Safety Supply Co. et al.
    Argued April 9, 1974.
    
      William D. Phillips, with him Robert E. Way man, and Way man, Irvin, Trushel & McAuley, for appellant; Charles W. Kenrick, with him Daniel P. Stefko, David B. Fawcett, Jr., and Dickie, McCamey & CMlcote, for appellee, Fire Safety Supply Co.; Charles Kirshner, with him 
      Rosenberg, Kirshner & Solomon, for appellee, Walter Kidde Company.
   Judgment affirmed.  