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 - Shop Photos, Solid State Systems, & Special Photos
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Infomat72 viewsApr 22, 2017
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Line drawing Car Retarder Speed control68 viewsApr 22, 2017
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Drawing for Ad - Consolidate Control of Interlockings69 viewsApr 22, 2017
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Drawings for Ad - Consolidate Control of Interlockings75 viewsApr 22, 2017
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Line drawing Moulded rubber coil Receiver71 viewsApr 22, 2017
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R.R. map of U.S.A.71 viewsApr 22, 2017
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Redispatching by C.T.C.79 viewsApr 22, 2017
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Line drawing - How a Mechanical Facing Point Lock works76 viewsApr 22, 2017
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Line drawing of Shelf Mounting for Plug-In Relay77 viewsApr 22, 2017
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Line drawings - Coded track circuits Universal in application74 viewsApr 22, 2017
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Map of C.T.C. machine Installations72 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."72 viewsApr 22, 2017
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Map of C.T.C. machine Installations76 viewsApr 22, 2017
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Drawing for advertisment R-2402 - "There's a better way to communicate today"79 viewsApr 22, 2017
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Drawings for advertisment R-2402 - "There's a better way to communicate today"74 viewsApr 22, 2017
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Drawing - "First Block System"84 viewsApr 22, 2017
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Retarders - Let Air do the work74 viewsApr 22, 2017
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Position of light signals85 viewsApr 22, 2017
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Retarders - Let Air do the work74 viewsApr 22, 2017
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Light indications of signals83 viewsApr 22, 2017
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Positions of signal levers98 viewsApr 22, 2017
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Positions of signals87 viewsApr 22, 2017
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Signal Project Dollar80 viewsApr 22, 2017
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Line drawings Track Circuits and Control Machine82 viewsApr 22, 2017
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Line drawing of Highball Signal73 viewsApr 22, 2017
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Copy negative of paste up of colored enlargement of Pocatello Yard78 viewsApr 22, 2017
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"Union" Roller Bearings on long-railed switch points68 viewsApr 22, 2017
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"Union" Roller Bearing on power operated switch71 viewsApr 22, 2017
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"Union" Roller Bearings on mechanically interlocked switch69 viewsApr 22, 2017
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"Union" Roller Bearing on hand-operated switch70 viewsApr 22, 2017
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Line drawing of 95-A-346172 viewsApr 22, 2017
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Line drawing of 95-A-378781 viewsApr 22, 2017
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