RRSignal.com Photo Gallery
Featuring Union Switch & Signal equipment photos
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Fixed SQL errors - More photos coming in 2022
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Carryphone
53 views
Carryphone case removed to show C Battery Pack
53 views
10AM 1 Foot Board Control Amplifier
53 views
Experimental Model 14H81C Carryphone
53 views
Carryphone Antenna Adapter plus
53 views
Model 2 - Carryphone
53 views
Carryphone II
53 views
First Installation of Individual Carrier Units. - West End of Aspinwall Interlocking - Etna, PA - PRR
53 views
P.R.R. Highway Crossing Case at Sandusky St. - Bucyrus, Ohio
53 views
Union Pacific R.R. - extra #1410 from inside Relay House at Madena
53 views
C.M.St.P. & P. R.R. - Airline Yard Relay House
53 views
I.T.C. Equipment Box for EMD Diesel Engines with units removed
53 views
Back view of Control Station with door open to show wiring
53 views
Style "SCU" Transmitter with Frequency Standard
53 views
Style "SCU" Equipment Box with Transmitter
53 views
White Sulphur Springs, W.Va. - C. & O. Rwy.
53 views
Remote control train order signals, Trimble, looking south - Big Four
53 views
Wabash eastbound freight trailing through S-1 facing point lock spring switch, Birmingham, Mo, about 45 mi. per hr.
53 views
Double automatic signal location south of LaGrange, Ohio. Northbound passenger No. 146 approaching - Big Four RR
53 views
Highway crossing sign - Reflector Buttons
53 views
Style M-4 Electric Switch Machine
53 views
Style M-4 Electric Switch Machine
53 views
53 views
53 views
53 views
YM-1 Electric Switch Machine for Yard Application
53 views
Switch Circuit Controller
53 views
Switch Circuit Controller
53 views
U-6 Switch Circuit Control
53 views
U-7 Switch Circuit Control
53 views
U-7 Switch Circuit Control
53 views
Buffer Spring Head Rod
53 views
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