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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, CRT105 views
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 Rear of Relay Rack in Relay Room 13th St. Interlocking, Chicago Subway, CRT98 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, CRT97 views
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 Relays, transformers, & RPQ-41 rectifiers in signal room AB 94 on continuous platform near Jackson, Chicago Subway, CRT95 views
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 Plug-in relays in relay room - North Portal Interlocking - Chicago Subway and Elevated, C.R.T.102 views
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 High C.T.C. System Relay Racks102 views
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 High C.T.C. System Relay Racks91 views
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 High C.T.C. System Relay Racks92 views
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 Plug-in Relay Racks - Roanoke Interlocking - N&W R.R. (front view)94 views
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 Plug-in Relay Racks - Roanoke Interlocking - N&W R.R. (back view)93 views
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 Factory wired rack for Plug-in Relays (all relays in place)94 views
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 Back view of factory wired relay rack91 views
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 Wiring chase on back of relay rack92 views
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 Test set-up of Illinois Central R.R. - Markem Yard Control machines and Relay racks and etc. in Department 58114 views
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 Section of test set-up of Markem Yard equipment81 views
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 Illinois Central R.R. - Markem Yard - left hand side of test set-up89 views
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 Close-up view of part of rack for Markem Yard showing wiring - Illinois Central R.R.91 views
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 I.C. R.R. - Markem Yard Test set-up - Test Panel, Relays, and etc.85 views
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 Close-up of Plug-in Relays - Markem Yard - Illinois Central R.R.136 views
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 Montreal Installation Office Code Rack91 views516A Multiplex Code Control System
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 Montreal Installation Field Coding Rack82 views516A Multiplex Code Control System
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 Montreal Installation Office Coding Unit (front view)93 views516A Multiplex Code Control System
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 Montreal Installation Office Coding Unit (back view)91 views516A Multiplex Code Control System
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 Montreal Installation Chain Unit (front view)82 views516A Multiplex Code Control System
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 Montreal Installation Chain Unit (back view)82 views516A Multiplex Code Control System
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 Montreal Installation Field Coding Unit (front view)87 views516A Multiplex Code Control System
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 Montreal Installation Field Coding Unit (back view)92 views516A Multiplex Code Control System
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 Coded Carrier Case92 views
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 Russian Relay Case92 views
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 Montreal Relay Racks - Can. Natl. R.R.89 views
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 Montreal Relay Racks - Can. Natl. R.R.78 views
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 Montreal Relay Racks - Can. Natl. R.R.83 views
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