RRSignal.com Photo Gallery

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

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Mr. C. B. Ramsdell48 views
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P. J. DeIvernois48 views
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Interurban Electric Railway48 views
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Interurban Electric Railway48 views
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UR machine, North Portal48 views
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Relay Cabinets at Market St.48 viewsRidge Ave. Subway
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Compressors at Market St.48 viewsRidge Ave. Subway
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Rectifiers at Market St.48 viewsRidge Ave. Subway
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View north from Spring Garden St. Station48 viewsRidge Ave. Subway
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Westchester Yard - N.Y.B.T.48 views
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Westchester Yard - N.Y.B.T.48 views
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Morris Park Interlocking - N.Y.T.A.48 views
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149th St. Interlocking Track Model (T. Line N.Y.T.A.)48 views
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Titan Missile Launching Equipment Cabinet48 viewsAnnunciator Open
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Cargill Inc. - East St. Louis Installation - Footboard Control Station - Remote Control of Loco.48 views
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Handset for Control of Locomotives48 views
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Carryphone48 views
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PRR (Kinzua Dam) - 17-1/2" RS Case (front)48 views
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Cast Iron Foundation with Instrument Case48 views
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Interior of 5'x7' Steel Relay House - St. Louis to Fordyce C.T.C.48 views
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Seaboard 5'x7' Relay House48 views
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C.M.St.P. & P. R.R. - Airline Yard Relay House48 views
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A.T. & S.F. R.R. - Argentine Yard - Kansas48 views
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Relay House & Battery House - U.P. R.R.48 views
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Inside Relay house - T.R.R.A. of St.L.48 views
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Coupling Unit with case removed to show interior48 views
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Neoprene case Hand Microphone48 views
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Style "SCU" Transmitter48 views
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Style "SCU" Receiver48 views
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P.R.R. - I.T.C. equipped Diesel Electric Locomotive48 views
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Style "ST" Dynamotor Unit48 views
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Eastbound signals and layout west Portal Tunnel, 3 miles east of tower "A" - Allegheny Summit CTC - C. & O.48 views
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