National Geographic : 1923 Apr
)Keystone View Ctompany THE DE WITT CLINTON RUNS ONCE MORE This ancient and honorable train recently left its comfortable "siding" in the great hall of the GrandCentral Station and took tothe rails, under its own steam, for a little airing below Riverside Drive. It made eight miles an hour between 96th and In6th streets. Later itwas loaded oncars and taken to Chicago. When railroads were first built it was solemnly decided by the London PhilosophicalSociety that trains could tiever bepermitted to run more than twelve miles an hour, since a greater speed would drive crazy all the people who chanced tolive intheneighborhood oftheright ofway.