Pennsylvania Railroad electric locomotive 4872 (type GG-1) leads a train at Washington, District of Columbia in 1951. Photo by J.M. Fredrickson. Other Subject Classes: electric locomotive

Pennsylvania Railroad electric locomotive 4877 (type GG-1) at Hoboken, New Jersey in April 1988. Photo by J.M. Fredrickson. Other Subject Classes: electric locomotive

Pennsylvania Railroad electric locomotive 4877 (type GG-1) at Hoboken, New Jersey in April 1988. Photo by J.M. Fredrickson. Other Subject Classes: electric locomotive

Pennsylvania Railroad electric locomotive 4877 (type GG-1) at Hoboken, New Jersey in April 1988. Photo by J.M. Fredrickson. Other Subject Classes: electric locomotive

Pennsylvania Railroad electric locomotive 4926 (type GG-1) leads a passenger train at Washington, District of Columbia on July 16, 1964. Photo by J.M. Fredrickson. Other Subject Classes: electric locomotive

Port Authority of New York and New Jersey Trans-Hudson River (PATH) electric locomotive 1203 emerging from a tunnel at New York, New York, circa 1985. Photo by J.M. Fredrickson. Other Subject Classes: electric locomotive

Port Authority of New York and New Jersey Trans-Hudson River (PATH) electric locomotive north of Newark, New Jersey in April 1988. Photo by J.M. Fredrickson. Other Subject Classes: electric locomotive

Portland Railroad and Terminal steeple cab electric locomotives 1413, 1408, and 1406 at Portland Traction Company in 1959. Photograph by Alden Raney. Other subject classes: Locomotive-Electric.

Puget Sound Electric Railway freight motor number 601 posses with the crew at the Freight Depot atin Tacoma, Washington, circa 1907. The train may be a work train. J.M. Fredrickson collection. Other Subject Classes: electric locomotive

Puget Sound Electric Railway electric locomotive 627 with coal train made up of wood outside braced hoppers at Renton, Washington, circa 1916. Number 627 was home-built in 1907. The background shows talling rock piles and some houses on the surrounding hills. The crew of 5 is visible at the front of the locomotive. J.M. Fredrickson collection. Other Subject Classes: electric locomotive, hopper car