RRSignal.com Photo Gallery
Featuring Union Switch & Signal equipment photos
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West Conway Retarder Machine
38 views
Conway Yard Retarder Control Machine
38 views
Conway Yard Retarder Control Machine
38 views
East Conway Yard - Hump Yard Control Machine
38 views
East Conway Yard - Hump Yard Control Machine
38 views
West Conway Yd.
38 views
Hump & Trimmer Signals
38 views
Operator at Retarder Console
38 views
Track fullness section of retarder control machine
38 views
Car speed is measured as each cut goes through master retarder
38 views
Classification track from retarder control tower
38 views
Cars roll past yardmasters office into classification track
38 views
Tank car in retarder
38 views
Control panel in Tower A
38 views
Model 31 Car Retarder Installation
38 views
Model 31 Car Retarder Installation
38 views
Classifying cars, looking down the hump
38 views
SL-6A Electric Locks
38 views
Computer for Classification Yard
38 views
Model 40 Inert Car Retarder
38 views
Mr. Coombes
38 views
Leo Sands
38 views
Interurban Electric Railway
38 views
Four Indication Cab Signal Equipment Box for Diesel Engine
38 views
Three Indication Cab Signal Equipment Box (Stockholm Tramways)
38 views
Three Indication Cab Signal Equipment Box with one Decoding Unit and one Plug-in Relay removed (Stockholm Tramways)
38 views
RF&P - Four Indication Cab Signal Box with relays and united removed to show wiring
38 views
Lake-Paulina
38 views
UR Interlocking Machine, South Portal
38 views
Synchronous Timer - N.Y.B.T.
38 views
Dyre Ave. - N.Y.T.A.
38 views
Main St. 5' Cabinet - N.Y.C.T.A.
38 views
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