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

Pacific Coast Railway electric locomotive in California, circa 1928. Other Subject Classes: electric locomotive.

Pacific Coast Railroad freight train at Renton, Washington, on March 31, 1951. Eastbound freight train led by Consolidation-type steam locomotive meeting westbound Chicago Milwaukee St. Paul and Pacific Railroad passenger train number 15, Olympian Hiawatha, with electric locomotive number E5, dwarf signal at east end of yard. Photo by Tom Kroutz. Other Subject Classes: freight cars, steam locomotives, railroad yards, electric locomotives, passenger cars, railroad signaling.

New York, Chicago & St. Louis Railroad center cab 0-4-4-0 electric locomotive on display at the Hobbs Depot and Museum in Noblesville, Indiana, on July 22, 1986. Photo by J.M. Fredrickson. Other Subject Classes: electric locomotive, display

New Jersey Transit Lines electric locomotive 1317 at Hoboken, New Jersey in April 1988. Photo by J.M. Fredrickson. Other Subject Classes: electric locomotive

New Jersey Transit Lines electric locomotive 1307 at Hoboken, New Jersey in April 1988. Photo by J.M. Fredrickson. Other Subject Classes: electric locomotive

New Jersey Transit Lines electric locomotive 1256 at Hoboken, New Jersey in April 1988. Photo by J.M. Fredrickson. Other Subject Classes: electric locomotive