RRSignal.com Photo Gallery
Featuring Union Switch & Signal equipment photos
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DP-25 Relay Equipped Controller Housing for Switch Movement
33 views
Steel Company of Ontario, Canada - Stelco Telecrane
33 views
Miniature Relay Socket Type E
33 views
Half Case, Crystal Case, 6-Pole & 4 Pole 10 Amp. Miniature Relay (orig.)
33 views
Half Case Crystal Relay (open)
33 views
Half Case Crystal Relay
33 views
Half Case Crystal Relay (open view)
33 views
Floor Station Transmitter Cabinet
33 views
Militarized Digital Readout
33 views
Service Pipeline - Fort Laramie to Herndon Field Unit at Herndon (front open)
33 views
Westronic remote control equipment in self-contained cubicle. (Sandbach)
33 views
British Railways (Scottish Region)
33 views
Control Desk at Harlow Mill
33 views
Central of Brazil - Entre Rios
32 views
Central of Brazil - Entre Rios
32 views
Central of Brazil - Entre Rios
32 views
East Conway Yard - Hump Yard Control Machine
32 views
Conway Yard Microphone
32 views
West Conway Yd.
32 views
West Conway Yd.
32 views
West Conway Yd.
32 views
West Conway Yd.
32 views
West Conway Yd.
32 views
West Conway Yd.
32 views
From Yardmasters office
32 views
Cars approaching intermediate retarders
32 views
Switch machine positioned ahead of each cut
32 views
Model 31 car retarder with HS-1 valves in foreground
32 views
NMEA Building and General Yardmasters office
32 views
Automatic Switching Machine
32 views
Retarder Control Machine
32 views
32 views
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