RRSignal.com Photo Gallery

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

Most viewed
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Portable Carrier Telephone Unit106 views
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HDNA-OC Navy Phone with front and unit removed106 views
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Carrier Frequency Telephone (DU-35086) (Turkey)106 views
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Chicago Transit Authority Portable Communication System plug complete wiring and plug.106 views
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Highway Crossing AFO Transmitter106 views
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AFO Vital Receiver (front view)106 views
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HM Relay House Interior (D.M.&I. RR)106 views
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South End Haskins, Ohio - No. Lima to Roachton CTC - B. & O. R.R.106 views
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North end Haskins, Ohio - No. Lima to Roachton CTC - B. & O. R.R.106 views
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106 views
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Centralized Traffic Control Machine Drawn from Photo of Union Pacific's Las Vegas to Yermo Machine106 views
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Danville Jct.105 views
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West-Wye C.T.C105 views
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North Milwaukee, Wis.105 views
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2-1/2' Machine - River Junction105 views(back closed)
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Direct wire C.T.C. machine 105 views
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Allerton - Eldon105 views
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CTC Cab. (96th interlocking)105 views
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86th St. Auxiliary Switch Indicator Panel105 views
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Vine St.105 views
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TCC Machine at Tucson105 views
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Newburg-Sleeper C.T.C. machine105 views
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CTC machine - Edwards to Fort Scott105 views
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Waynoka Canadian Installation105 views
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Canadian Yard-Amarillo-Waynoka105 views
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Freson Mormon105 views
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Linha to Auxilian - TCC105 views
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Becks Run - Type F Interlocking105 views
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South throat from instrument room105 views
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Looking north from station platform - Boston terminal105 views
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Equipment box on running board of locomotive - Columbus Shops105 views
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Receiver mounted ahead of pony truck, Penna. locomotive at Columbus Shops105 views
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