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Home > Relays, Rectifiers, Cases & Houses > Steel Cases & Racks (Inside)

Steel Cases & Racks (Inside)
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 Relay room at 13th St. Interlocking showing plug-in relays, RPQ rectifiers, and ground detector apparatus, Chicago Subway, CRT86 views
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 Rear of Relay Rack in Relay Room 13th St. Interlocking, Chicago Subway, CRT78 views
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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 views
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 Relays, transformers, & RPQ-41 rectifiers in signal room AB 94 on continuous platform near Jackson, Chicago Subway, CRT77 views
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 Plug-in relays in relay room - North Portal Interlocking - Chicago Subway and Elevated, C.R.T.82 views
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 High C.T.C. System Relay Racks80 views
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 High C.T.C. System Relay Racks73 views
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 High C.T.C. System Relay Racks70 views
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 Plug-in Relay Racks - Roanoke Interlocking - N&W R.R. (front view)74 views
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 Plug-in Relay Racks - Roanoke Interlocking - N&W R.R. (back view)71 views
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 Factory wired rack for Plug-in Relays (all relays in place)72 views
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 Back view of factory wired relay rack70 views
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 Wiring chase on back of relay rack70 views
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 Test set-up of Illinois Central R.R. - Markem Yard Control machines and Relay racks and etc. in Department 5891 views
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 Section of test set-up of Markem Yard equipment68 views
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 Illinois Central R.R. - Markem Yard - left hand side of test set-up71 views
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 Close-up view of part of rack for Markem Yard showing wiring - Illinois Central R.R.74 views
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 I.C. R.R. - Markem Yard Test set-up - Test Panel, Relays, and etc.68 views
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 Close-up of Plug-in Relays - Markem Yard - Illinois Central R.R.108 views
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 Montreal Installation Office Code Rack71 views516A Multiplex Code Control System
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 Montreal Installation Field Coding Rack67 views516A Multiplex Code Control System
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 Montreal Installation Office Coding Unit (front view)76 views516A Multiplex Code Control System
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 Montreal Installation Office Coding Unit (back view)73 views516A Multiplex Code Control System
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 Montreal Installation Chain Unit (front view)66 views516A Multiplex Code Control System
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 Montreal Installation Chain Unit (back view)64 views516A Multiplex Code Control System
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 Montreal Installation Field Coding Unit (front view)69 views516A Multiplex Code Control System
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 Montreal Installation Field Coding Unit (back view)73 views516A Multiplex Code Control System
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 Coded Carrier Case75 views
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 Russian Relay Case73 views
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 Montreal Relay Racks - Can. Natl. R.R.67 views
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 Montreal Relay Racks - Can. Natl. R.R.64 views
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 Montreal Relay Racks - Can. Natl. R.R.65 views
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