Show Rail Firms Join Jain In Pension Act Suit WASHINGTON May 15 UP Two UPI Two hundred and thirty-four thirty railroads terminal companies and other concerns concerns concerns con con- cerns engaged in interstate transportation transportation trans trans- today joined with the class 1 carriers in a District of Columbia Columbia Co Co- lumbia supreme court suit challengIng ing the constitutionality of the railway railway rail rail- way pension acts Trial of the Injunction suit is scheduled fo for Wednesday but may be p postponed because of the press of ot other court business I oI o |