Image 1 of 1
A commuter ascending into bright daylight on an escalator, the Connecticut Avenue and Q Street NW entrance of the Dupont Circle Metro Station, Washington DC. On March 9, 1859, Nathan Ames of Saugus, Massachusetts, was granted the first patent ,number 25,076, related to a machine that resembled an escalator. Mr. Ames called his invention Revolving Stairs. It is estimated that escalators in the United States move the equivalent of the U.S. population every two days.
Original Rights Managed Stock Photography Created By Sam D'Amico