RRSignal.com Photo Gallery

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


Last additions - Hump Yard & Car Retarders
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Tank car in retarder37 viewsDec 28, 2011
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Velac Test Panel36 viewsDec 28, 2011
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Velac Test Panel39 viewsDec 28, 2011
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Cab. Signal Equipment in Roead Switching Signal38 viewsDec 28, 2011
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Director General of Indonisn Nat. Railway37 viewsDec 28, 2011
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Automatic switching machine42 viewsDec 28, 2011
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Cars approaching intermediate retarders34 viewsDec 28, 2011
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Indicator on retarder control machine34 viewsDec 28, 2011
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Track fullnet section of retarder control machine36 viewsDec 28, 2011
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Retarder control machine35 viewsDec 28, 2011
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Operator at Retarder console38 viewsDec 28, 2011
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Cars roll past yardmasters office into classification track34 viewsDec 28, 2011
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Group retarders and classification tracks36 viewsDec 28, 2011
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Wheel counter and group retarder35 viewsDec 28, 2011
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Classification track from retarder control tower36 viewsDec 28, 2011
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Car speed is measured as each cut goes through master retarder35 viewsDec 28, 2011
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Car rollability on tangent track on car weight are measured near crest of hump32 viewsDec 28, 2011
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Cars are cut near top of crest31 viewsDec 28, 2011
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Car speed is measured as each cut goes through master retarder30 viewsDec 28, 2011
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Auxiliary Exhaust Valve34 viewsDec 28, 2011
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Differential Pressure Unit30 viewsDec 28, 2011
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Differential Pressure Unit30 viewsDec 28, 2011
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Differential Pressure Unit34 viewsDec 28, 2011
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NMEA Building and General Yardmasters office31 viewsDec 28, 2011
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NMEA Building and General Yardmasters office34 viewsDec 28, 2011
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E. Conway Hump with W. Conway in background29 viewsDec 28, 2011
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Car approaching car wheel counter30 viewsDec 28, 2011
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Car wheel counter for track fullness30 viewsDec 28, 2011
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Car passing over car weighing device28 viewsDec 28, 2011
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Car weighing device29 viewsDec 28, 2011
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HS-1 valve29 viewsDec 28, 2011
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Model 31 car retarder with HS-1 valves in foreground27 viewsDec 28, 2011
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