RRSignal.com Photo Gallery

Featuring Union Switch & Signal equipment photos
No touchups - No watermarks - Enjoy!
Fixed SQL errors - More photos coming in 2022

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Spring switch installation between Hamlet, N.C. and Columbia, S.C. - Seaboard Air Line52 views
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PRR (Kinzua Dam) - 3' -3-1/2" RS Case (back)52 views
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Relay Case 17-1/2" (front)52 views
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Union Pacific R.R. - Relay House at E.E. Tintic52 views
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Union Pacific R.R. - Interior of Relay House at E. Milford showing Duplex Terminal52 views
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Boston & Maine Relay House52 views
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P.R.R. - 8'x16' Relay House52 views
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C.M.St.P. & P. R.R. - Bensonville Relay House52 views
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Photo of New Relay House52 views
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I.T.C. Power line By-pass for use in electrified territory52 views
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Transmitter Unit with case removed to show interior52 views
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Big Four - Remote control T.O. signals, Earnst, Ill.52 views
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S.B. passenger passing remote control T.O. signals at Trimble - Big Four52 views
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Burlington freight at Birmingham, Mo. interlocking52 views
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Westbound Burlington freight at Graham Jct. remotely controlled from receiving yard interlocking, Galesburg52 views
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M-4 Switch Machine (Open)52 views
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C.T.C. Installation, Red Oak to Balfour - C.B.& Q.RR52 views
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U-6 Switch Circuit Control52 views
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U-7 Switch Circuit Control52 views
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U-10 Switch Circuit Controller52 views
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Spring Switch installation, Wabash R.R.52 views
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Spring Switch installation, Wabash R.R.52 views
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Spring Switch installation, Wabash R.R.52 views
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Wabash high speed movement over mechanically locked spring switch, Birmingham, Mo.52 views
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S-1 Mech. Facing Point lock at Potts Grove, Readng System52 views
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Spring switch installation on the C.M.St.P. & P.52 views
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Spring switch installation at Ferguson, Ia. on the C.M.St.P. & P.52 views
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SL-26 Electric Switch Lock as applied to T-20 Switch Stand52 views
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TVL Radio Equipment Special for American Bridge Co. to U.S. Steel52 views
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TVL Transmitter (Otis Elevator Co.) (Front)52 views
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TVL Transmitter (Otis Elevator Co.) (Back)52 views
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