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Featuring Union Switch & Signal equipment photos
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WABCO Transistorized mobile radio
52 views
Carryphone Internal View Showing Receiver
52 views
Carryphone
52 views
Transient Voltage Suppressor (closed)
52 views
Small "AA" Battery Carryphone in Carrying Case
52 views
Battery Charger for Carryphone (inside view)
52 views
Battery Charger for Carryphone (inside view)
52 views
WABCO CRC Test Set
52 views
2 V 25 CT Communication Unit
52 views
172L65CT Remote Base Station
52 views
Carryphone II open showing Transmitter
52 views
Switchman Carryphone open showing Receiver
52 views
Carryphone II
52 views
Spring switch installation between Hamlet, N.C. and Columbia, S.C. - Seaboard Air Line
52 views
PRR (Kinzua Dam) - 3' -3-1/2" RS Case (back)
52 views
Relay Case 17-1/2" (front)
52 views
Union Pacific R.R. - Relay House at E.E. Tintic
52 views
Union Pacific R.R. - Interior of Relay House at E. Milford showing Duplex Terminal
52 views
Boston & Maine Relay House
52 views
P.R.R. - 8'x16' Relay House
52 views
C.M.St.P. & P. R.R. - Bensonville Relay House
52 views
I.T.C. Power line By-pass for use in electrified territory
52 views
Transmitter Unit with case removed to show interior
52 views
Big Four - Remote control T.O. signals, Earnst, Ill.
52 views
S.B. passenger passing remote control T.O. signals at Trimble - Big Four
52 views
Burlington freight at Birmingham, Mo. interlocking
52 views
Westbound Burlington freight at Graham Jct. remotely controlled from receiving yard interlocking, Galesburg
52 views
M-4 Switch Machine (Open)
52 views
52 views
C.T.C. Installation, Red Oak to Balfour - C.B.& Q.RR
52 views
U-6 Switch Circuit Control
52 views
U-7 Switch Circuit Control
52 views
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