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 - Steel Cases & Racks (Inside)
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Relay rack with K-relays for Montreal Terminal29 viewsJul 16, 2013
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Relay rack with K-relays for Montreal Terminal31 viewsJul 16, 2013
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Can. Natl. R.R. - Montreal Relay Racks 33 viewsJul 16, 2013
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Montreal Relay Racks - Can. Natl. R.R.54 viewsJul 16, 2013
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Montreal Relay Racks - Can. Natl. R.R.54 viewsJul 16, 2013
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Montreal Relay Racks - Can. Natl. R.R.56 viewsJul 16, 2013
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Montreal Installation Field Coding Unit (back view)64 views516A Multiplex Code Control SystemJul 16, 2013
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Montreal Installation Field Coding Unit (front view)61 views516A Multiplex Code Control SystemJul 16, 2013
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Montreal Installation Chain Unit (back view)56 views516A Multiplex Code Control SystemJul 16, 2013
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Montreal Installation Chain Unit (front view)56 views516A Multiplex Code Control SystemJul 16, 2013
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Montreal Installation Office Coding Unit (back view)64 views516A Multiplex Code Control SystemJul 16, 2013
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Montreal Installation Office Coding Unit (front view)66 views516A Multiplex Code Control SystemJul 16, 2013
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Montreal Installation Field Coding Rack58 views516A Multiplex Code Control SystemJul 16, 2013
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Close-up of Plug-in Relays - Markem Yard - Illinois Central R.R.73 viewsJul 16, 2013
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Montreal Installation Office Code Rack62 views516A Multiplex Code Control SystemJul 16, 2013
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I.C. R.R. - Markem Yard Test set-up - Test Panel, Relays, and etc.59 viewsJul 16, 2013
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Close-up view of part of rack for Markem Yard showing wiring - Illinois Central R.R.68 viewsJul 16, 2013
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Section of test set-up of Markem Yard equipment61 viewsJul 16, 2013
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Illinois Central R.R. - Markem Yard - left hand side of test set-up62 viewsJul 16, 2013
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Wiring chase on back of relay rack61 viewsJul 16, 2013
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Test set-up of Illinois Central R.R. - Markem Yard Control machines and Relay racks and etc. in Department 5884 viewsJul 16, 2013
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Back view of factory wired relay rack61 viewsJul 16, 2013
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Factory wired rack for Plug-in Relays (all relays in place)63 viewsJul 16, 2013
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Plug-in Relay Racks - Roanoke Interlocking - N&W R.R. (back view)65 viewsJul 16, 2013
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Plug-in Relay Racks - Roanoke Interlocking - N&W R.R. (front view)64 viewsJul 16, 2013
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High C.T.C. System Relay Racks61 viewsJul 16, 2013
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High C.T.C. System Relay Racks64 viewsJul 16, 2013
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High C.T.C. System Relay Racks73 viewsJul 16, 2013
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Russian Relay Case65 viewsJul 16, 2013
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Coded Carrier Case64 viewsJul 16, 2013
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Plug-in relays in relay room - North Portal Interlocking - Chicago Subway and Elevated, C.R.T.74 viewsJul 16, 2013
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Relays, transformers, & RPQ-41 rectifiers in signal room AB 94 on continuous platform near Jackson, Chicago Subway, CRT69 viewsJul 16, 2013
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