RRSignal.com Photo Gallery

Featuring Union Switch & Signal equipment photos
No touchups - No watermarks - Enjoy!
Fixed SQL errors - More photos coming in 2022

Most viewed
c-36427.jpg
Removing plug in type relay70 viewsElizabethport
9731.jpg
Track Fullnes Panel70 views
95-c-3425.jpg
Speed Control Panel70 views
95-c-4989.jpg
Man at Car Retarder Control Panel70 views
7344.jpg
Model 32 Car Retarder at Clearing Yard70 views
95-a-3325.jpg
General view of Eastbound yard from yardmasters office70 views
a-35788.jpg
Controller for hump signal70 views
c-27525.jpg
Car Retarder Yard70 views
6862.jpg
South Bound Potomac Yard - Retarder Control Panel70 viewsR.F. & P.
6986.jpg
U.S. Steel Corp. - Lynch Coal cleaning plant - Corbin, Ky.70 views
5872.jpg
Teletype Tape Reading Unit - Type TS70 viewsProgrammed Switching Systems
6854.jpg
W. A. Robison70 views
95-c-3338.jpg
Exhibition room display of "Union" Cab Signal and Speed Control System70 views
c-34379.jpg
San Francisco Bay Bridge70 views
c-38829.jpg
Cab Signal Equipment70 views
95-c-230.jpg
Power Panel in Compressor Room, 13th St. Interlocking70 views
95-c-232.jpg
Relay room at 13st. St. Interlocking, showing plug-in relays, RPQ rectifiers, and Ground Detector apparatus70 views
8315.jpg
5th St. Interlocking Control Panel70 views
a-33692.jpg
Arrangement of conduit pipes and location of instrument cases and stop valves70 viewsDelaware River Joint Commission
9151.jpg
Skyway Rapid Transit70 views
9429.jpg
WABCO Automatic Train Control System for Rapid Transit (Model)70 views
8606.jpg
N.Y.C.T.A. Times Square Grand Central Shuttle Train Automation Control Equipement Rack70 views
5951.jpg
Train Dispatcher for Subways (Old style model used in Phila. Subway)70 views
5743.jpg
Acceptance Tests for Airborne Electronic Relays 33403-AF3370 views
5744.jpg
Acceptance Tests for Airborne Electronic Relays 33403-AF3370 views
9514.jpg
Remote Control of Cranes (Weirton Steel) - Receiver Unit Tone Amplifier Plug-in Unit70 views
9516.jpg
Remote Control of Cranes (Weirton Steel) - Interposer Relay Compartment No. 170 views
8203.jpg
AFO Vital High Power Transmitter (front view)70 views
95-c-2687.jpg
Plug-in Relay Racks - Roanoke Interlocking - N&W R.R. (back view)70 views
95-c-3535.jpg
Illinois Central R.R. - Markem Yard - left hand side of test set-up70 views
95-c-4082.jpg
Montreal Installation Office Code Rack70 views516A Multiplex Code Control System
c-30191.jpg
Aerial cable and parkway terminal box - DX tower, Deshler, Ohio - No. Lima to Roachton CTC - B.&O. RR.70 views
9267 files on 290 page(s) 106