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Featuring Union Switch & Signal equipment photos
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Red Oak to Balfour C.T.C. - C. B. & Q.
88 views
Fig. 7 - Interlocked Signal Layout
88 views
Positions of signals
88 views
Laboratory exhibit C.T.C. machine
88 views
Storage Unit 506-A
88 views
Aurora - Galesburg TCC Console (back center)
87 views
Aurora - Galesburg TCC Console (back right end)
87 views
CB&Q CTC
87 views
Drew - Chevoit
87 views
Roselle Illinois Code Control System
87 views
B-30 machine
Trainmen at telephone location on signal, Moseby Jct. CTC
87 views
Silvis - M.P. 148.7 CTC machine
87 views
Plate
87 views
Non Vital LP-70 Relay Racks
87 views
Brayton Ave.
87 views
"AY" Richmond Installation
87 views
C.A. to N.
87 views
FM-WE Installation
87 views
FM-WE Installation
87 views
FM-WE Installation
87 views
CTC installation
87 views
Control panel
87 views
Section of Phila. C.T.C. machine
87 views
Relay rack with K-relays, for Montreal terminal
87 views
Cab Signal - Miami-Jacksonville CTC
87 views
Klamath Falls-Crescent Lake
87 views
Marceline
87 views
Streator
87 views
Emergency Panel
87 views
Brewster to Adena
87 views
Juparana, Brazil CTC machine
87 views
B-30 Direct Wire CTC Control Panel - Santos-Dumont
87 views
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