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
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 High C.T.C. System Relay Racks79 viewsJul 16, 2013
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 Russian Relay Case71 viewsJul 16, 2013
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 Coded Carrier Case75 viewsJul 16, 2013
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 Plug-in relays in relay room - North Portal Interlocking - Chicago Subway and Elevated, C.R.T.81 viewsJul 16, 2013
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 Relays, transformers, & RPQ-41 rectifiers in signal room AB 94 on continuous platform near Jackson, Chicago Subway, CRT76 viewsJul 16, 2013
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 G.E. Transformers, power panel, RPQ-41 rectifiers, and relay panel in signal room AB-94 on continuous platform near Jackson, Chicago Subway, CRT80 viewsJul 16, 2013
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 Relay room at 13th St. Interlocking showing plug-in relays, RPQ rectifiers, and ground detector apparatus, Chicago Subway, CRT85 viewsJul 16, 2013
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 Rear of Relay Rack in Relay Room 13th St. Interlocking, Chicago Subway, CRT77 viewsJul 16, 2013
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 Compressor in sheet steel case59 viewsJul 16, 2013
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 4.2 cu. ft. Penna. R.R. Compressors68 viewsJul 16, 2013
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 4.2 cu. ft. Penna. R.R. Compressors58 viewsJul 16, 2013
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 Style D Sheet Steel Instrument Cases with two belt-driver air compressors - PRR63 viewsJul 16, 2013
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 Compressor in sheet steel case64 viewsJul 16, 2013
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 Compressor units in sheet iron case63 viewsJul 16, 2013
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 Air compressor in case75 viewsJul 16, 2013
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 Canadian National R.R. - Montreal Yard (Instrument Case Compressor) (side)62 viewsJul 16, 2013
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 Canadian National R.R. - Montreal Yard (Instrument Case Compressor) (back)63 viewsJul 16, 2013
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 Canadian National R.R. - Montreal Yard (Instrument Case Compressor) (front)65 viewsJul 16, 2013
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 Individual Compressor for Stop Valve - NYTA59 viewsJul 16, 2013
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 Individual Compressor for Stop Valve - NYTA57 viewsJul 16, 2013
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 Individual Compressor for Stop Valve - NYTA55 viewsJul 16, 2013
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 Individual Compressor for Stop Valve - NYTA55 viewsJul 16, 2013
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 Individual Compressor for Stop Valve - NYTA63 viewsJul 16, 2013
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 Individual Compressor for Stop Valve - NYTA61 viewsJul 16, 2013
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 Individual Compressor for Stop Valve - NYTA54 viewsJul 16, 2013
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 Back view of two Type G Compressors in Wayside Case - 4.2 cu. ft.67 viewsJul 16, 2013
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 Individual Compressor for Stop Valve - NYTA60 viewsJul 16, 2013
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 9.4 cubic feet Compressor in Relay Case74 viewsJul 16, 2013
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 Front view of two Type G Compressors in Wayside Case - 4.2 cu. ft.73 viewsJul 16, 2013
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 BARTD in San Francisco189 viewsMay 10, 2013
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 BARTD in San Francisco162 viewsMay 10, 2013
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 BARTD in San Francisco174 viewsMay 10, 2013
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