RRSignal.com Photo Gallery

Featuring Union Switch & Signal equipment photos
No touchups - No watermarks - Enjoy!
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Last additions
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Infomat33 viewsApr 22, 2017
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Line drawing Car Retarder Speed control30 viewsApr 22, 2017
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Drawing for Ad - Consolidate Control of Interlockings31 viewsApr 22, 2017
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Drawings for Ad - Consolidate Control of Interlockings32 viewsApr 22, 2017
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Line drawing Moulded rubber coil Receiver34 viewsApr 22, 2017
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R.R. map of U.S.A.33 viewsApr 22, 2017
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Redispatching by C.T.C.36 viewsApr 22, 2017
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Line drawing - How a Mechanical Facing Point Lock works33 viewsApr 22, 2017
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Line drawing of Shelf Mounting for Plug-In Relay36 viewsApr 22, 2017
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Line drawings - Coded track circuits Universal in application33 viewsApr 22, 2017
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Map of C.T.C. machine Installations36 viewsApr 22, 2017
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Line drawings for advertisment S-3730 "Union I.T.C. speeds car icing on the P.R.R."34 viewsApr 22, 2017
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Map of C.T.C. machine Installations37 viewsApr 22, 2017
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Drawing for advertisment R-2402 - "There's a better way to communicate today"35 viewsApr 22, 2017
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Drawings for advertisment R-2402 - "There's a better way to communicate today"35 viewsApr 22, 2017
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Drawing - "First Block System"37 viewsApr 22, 2017
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Retarders - Let Air do the work36 viewsApr 22, 2017
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Position of light signals42 viewsApr 22, 2017
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Retarders - Let Air do the work36 viewsApr 22, 2017
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Light indications of signals40 viewsApr 22, 2017
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Positions of signal levers47 viewsApr 22, 2017
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Positions of signals44 viewsApr 22, 2017
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Signal Project Dollar40 viewsApr 22, 2017
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Line drawings Track Circuits and Control Machine42 viewsApr 22, 2017
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Line drawing of Highball Signal33 viewsApr 22, 2017
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Copy negative of paste up of colored enlargement of Pocatello Yard36 viewsApr 22, 2017
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"Union" Roller Bearings on long-railed switch points32 viewsApr 22, 2017
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"Union" Roller Bearing on power operated switch32 viewsApr 22, 2017
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"Union" Roller Bearings on mechanically interlocked switch32 viewsApr 22, 2017
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"Union" Roller Bearing on hand-operated switch32 viewsApr 22, 2017
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Line drawing of 95-A-346135 viewsApr 22, 2017
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Line drawing of 95-A-378737 viewsApr 22, 2017
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