RRSignal.com Photo Gallery
Featuring Union Switch & Signal equipment photos
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UR interlocking machine with 1st trick towerman, W.K.Wallace, North Portal
87 views
UR Interlocking Machine, North Portal, Chicago Subway
87 views
Rack Mounted Equipment
87 views
UR T.R.R.A. of St. L
87 views
Model 50 Retarder in Tracks
87 views
Model 50 Retarder in Tracks
87 views
Model 50 on URR
87 views
Cab Signal Equipment
87 views
Wayside Office Equipment Rack (Type CY Cab Signaling)
87 views
Fern Rock Yard Installation
87 views
N.Y.C.T.A. Automated Train
87 views
N.Y.C.T.A. Automated Train
87 views
N.Y.C.T.A. Grand Central UR Interlocking Lexington Avenue
87 views
Footswitch
87 views
HM Relay House (Interior showing relay racks)
87 views
Factory wired relay house with plug-in relays - D.T.&I. crossing with Nickel Plate
87 views
Two-frequency I.T.C. Control Station - P.R.R.
87 views
Vehicle Output Transformer
87 views
I.T.C. Training Unit
87 views
Eastbound C. & O. passenger at home signal, "A" Tower - Allegheny Summit CTC - C. & O.
87 views
Looking west from west portal of westbound tunnel, 3 miles east of tower "A" - Allegheny Summit CTC - C. & O.
87 views
Westbound Freight on Horse Shoe Curve at Kittanning Point - P.R.R.
87 views
Driftwood interlocking showing tower in which CTC machine is located - P.R.R.
87 views
Highway Crossing Signal Model
87 views
DN-22 Relay
87 views
Position of light signals
87 views
Drawing - "First Block System"
87 views
Model F-40 DC To DC Converter Solid State
87 views
Model F-40 DC To DC Converter Solid State
87 views
Millard Ave.
86 views
Newport News, Ky.
86 views
Dewey - Preston Installation
86 views
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