
    Philadelphia and Reading Coal and Iron Company, Appellee, v. Calumet Shipyard and Dry Dock Company, Appellant.
    Gen. No. 44,448.
    
      Robert Eranand, Jr., Frederick A. Thulin, and Irving G. Brown, for appellant;
    Martin, Ullmann & Brown, for appellee; Henry T. Martin and Bruce E. Brown, of counsel.
    Opinion filed November 1, 1949;
    rehearing denied November 23, 1949;
    released for publication November 23, 1949.
   Opinion by Not to be published in full.

Justice Scanlan.  