250 U.S. 566 250 U.S. 566 40 S.Ct. 36 64 L.Ed. 1142 PENNSYLVANIA R. CO.v.PUBLIC SERVICE COMMISSION OF COMMONWEALTH OF PENNSYLVANIA et al. No. 53. Argued Oct. 24, 1919. Decided Nov. 10, 1919. Messrs. Frederic D. McKenney, of Washington, D. C., and Francis I. Gowen, of Philadelphia, Pa., for plaintiff in error. Messrs. William N. […]