Northern Pacific signal equipment, Union Station, Tacoma, Washington, December 11, 1967. Workers installing new Centralized Traffic Control panel in dispatchers office. Photo by J.M. Fredrickson . Other Subject Classes: signal equipment, railroad employee, dispatchers office
Fredrickson, James M.Elements area
Taxonomy
Code
Scope note(s)
At Pacific Northwest Railroad Archive, still photographs of railroad signal equipment.
Source note(s)
LC Subject Authority Heading: Railroads--Signaling http://id.loc.gov/authorities/subjects/sh85111029
Display note(s)
Hierarchical terms
Railroad--Signaling
Railroad--Signaling
Equivalent terms
Railroad--Signaling
UF Signals