Lineman's Test Set for use on early telegraph lines at Union Pacific Railroad Museum. Council Bluffs, IA.

Lineman's Test Set (aka Pocket Relay) for use on early telegraph lines at Union Pacific Railroad Museum. Council Bluffs, IA.

Lineman's Test Set (aka Pocket Relay) for use on early telegraph lines at Union Pacific Railroad Museum. Council Bluffs, IA.
Photo by Jim Steinhart © 2012, all rights reserved. (Ref: IACU155)

Click an index below to see this photo among related images:

Union Pacific Railroad Museum, Council Bluffs, IA
Captions List for Iowa