 Most viewed
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Carryphone II Chest Pack65 views
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Canadian National R.R. - Montreal Yard (Instrument Case Compressor) (front)65 views
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Montreal Installation Chain Unit (front view)65 views516A Multiplex Code Control System
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Double Vertical Relay and Terminal Cases - N.Y. Board of Transportation - Westchester Yard65 views
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City of Philadelphia - Plug-in Relay Cases65 views
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Russian Relay Case65 views
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Long Island R.R. Relay House - Sliding Shelf on Rack65 views
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Horizontal I.T.C. Rack65 views
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Dynamotor for I.T.C. Equipment65 views
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Passenger train trailing through S-1 mechanically locked spring switch at 50 m.p.h., Birmingham, Mo. - Wabash RR65 views
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Signal location 364.5 - P.R.R. about 6 mi. west of Warsaw, Ind.65 views
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Lightweight Crossing Gate for WRRS65 views
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Tractor Call Station (Chesapeake Bay Bridge & Tunnel)65 views
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A.C.L. Manchester to Birmingham CTC - Flashing Light Highway Crossing Signal (Standing Rock, Ala.)65 views
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HC-100 Highway Crossing Extension Rods, Pinnacle, and Adapter65 views
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Automatic Highway Grade Crossing Protection Package (Back)65 views
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Tower "A" and layout looking north from draw bridge - Boston Terminal - B.& M. Railroad65 views
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Looking west at end of double track, State Line - Wabash R.R.65 views
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Rock Island Train Switching - - Rock Island - Milwaukee, Polo, Mo. 65 views
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End of double track switch on Wabash remotely controlled from Peru65 views
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Looking west from bracket signal R4, R6 at Wampum - P.& L.E. CTC installation65 views
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Style M-22-A Dual Control Switch Machine, Indianapolis Union Rwy.65 views
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A.C.L. Manchester to Birmingham CTC M-23-B Switch Machine Roller Bearings and Swivel Front Rod - S.E. Lineville, Ala.65 views
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A.C.L. Waycross to Folkston CTC M-23-B Switch Machine and Double Crossover at Burch, Ga.65 views
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M-4 Switch Machine (End View)65 views
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Steps in operating SL-26 Electric Switch Lock applied to Operating Lever Stand65 views
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SL-25 Electric Switch Lock (closed)65 views
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S-3 Facing Point Lock on the Rock Island65 views
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S-20 Facing Point lock at West Brownsville - P.R.R.65 views
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Module Code Unit for 532 Pipeline System65 views
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Southern Pacific Pipeline Inc., Los Angeles, Calif. (office control console for Apache station)65 views
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Southern Pacific Pipeline Inc., Los Angeles, Calif. (Field alarm and sequence control panels)65 views
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