Most viewed - Steel Cases & Racks (Inside)
|
Test set-up of Illinois Central R.R. - Markem Yard Control machines and Relay racks and etc. in Department 5884 views
|
|
Relay room at 13th St. Interlocking showing plug-in relays, RPQ rectifiers, and ground detector apparatus, Chicago Subway, CRT78 views
|
|
Plug-in relays in relay room - North Portal Interlocking - Chicago Subway and Elevated, C.R.T.74 views
|
|
G.E. Transformers, power panel, RPQ-41 rectifiers, and relay panel in signal room AB-94 on continuous platform near Jackson, Chicago Subway, CRT73 views
|
|
High C.T.C. System Relay Racks73 views
|
|
Close-up of Plug-in Relays - Markem Yard - Illinois Central R.R.73 views
|
|
Rear of Relay Rack in Relay Room 13th St. Interlocking, Chicago Subway, CRT70 views
|
|
Relays, transformers, & RPQ-41 rectifiers in signal room AB 94 on continuous platform near Jackson, Chicago Subway, CRT69 views
|
|
Close-up view of part of rack for Markem Yard showing wiring - Illinois Central R.R.68 views
|
|
Montreal Installation Office Coding Unit (front view)66 views516A Multiplex Code Control System
|
|
Russian Relay Case65 views
|
|
Plug-in Relay Racks - Roanoke Interlocking - N&W R.R. (back view)65 views
|
|
Coded Carrier Case64 views
|
|
High C.T.C. System Relay Racks64 views
|
|
Plug-in Relay Racks - Roanoke Interlocking - N&W R.R. (front view)64 views
|
|
Montreal Installation Office Coding Unit (back view)64 views516A Multiplex Code Control System
|
|
Montreal Installation Field Coding Unit (back view)64 views516A Multiplex Code Control System
|
|
Factory wired rack for Plug-in Relays (all relays in place)63 views
|
|
Illinois Central R.R. - Markem Yard - left hand side of test set-up62 views
|
|
Montreal Installation Office Code Rack62 views516A Multiplex Code Control System
|
|
High C.T.C. System Relay Racks61 views
|
|
Back view of factory wired relay rack61 views
|
|
Wiring chase on back of relay rack61 views
|
|
Section of test set-up of Markem Yard equipment61 views
|
|
Montreal Installation Field Coding Unit (front view)61 views516A Multiplex Code Control System
|
|
I.C. R.R. - Markem Yard Test set-up - Test Panel, Relays, and etc.59 views
|
|
Montreal Installation Field Coding Rack58 views516A Multiplex Code Control System
|
|
Montreal Installation Chain Unit (front view)56 views516A Multiplex Code Control System
|
|
Montreal Installation Chain Unit (back view)56 views516A Multiplex Code Control System
|
|
Montreal Relay Racks - Can. Natl. R.R.56 views
|
|
Montreal Relay Racks - Can. Natl. R.R.54 views
|
|
Montreal Relay Racks - Can. Natl. R.R.54 views
|
|
|