1858. Busy Cambridge Street with its iron river of the horse-railroad, and wheeled barges gliding back and forward over it.—Holmes, ‘The Autocrat of the Breakfast-Table,’ ch. vii. (N.E.D.)
1859. These gentlemen ask the power to run a horse-railroad along Pennsylvania Avenue for two or three miles.—Mr. Wilson of Mass., U.S. Senate, Jan. 29: Cong. Globe, p. 670.
