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Featuring Union Switch & Signal equipment photos
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Columbia Gulf Pipeline (Reciprocating Compressor Station) 532 Code System (back open)
31 views
Columbia Gulf Pipeline Co.
31 views
Columbia Gulf Pipeline Console
31 views
Mid-America Pipeline (Station Cabinet) (Top Front)
31 views
Phillips Pipe Line Company - 540 Solid State System - Spearman Office Control Panel
31 views
Service Pipe Line Cabinet (Sequence Cabinet)
31 views
Service Pipe Line, No. Mo. (Freeman Dispatch) Control Machine (rear view CTC cabinet, units swung out)
31 views
Service Pipe Line, No. Mo. - Carrollton Field Location Cabinet (rear view)
31 views
Central of Brazil - Entre Rios
30 views
Central of Brazil - Entre Rios
30 views
Central of Brazil - Entre Rios
30 views
Central of Brazil - Entre Rios
30 views
West Conway Yd.
30 views
West Conway Yd.
30 views
Model 31 car retarder with HS-1 valves in foreground
30 views
HS-1 valve
30 views
Car Retarder with Car Velac Equipment
30 views
Automatic Car Weighing Device (Track #2)
30 views
Hamlet Classification Yard
30 views
Hamlet Classification Yard
30 views
Hamlet Classification Yard
30 views
Hamlet Classification Yard
30 views
Hamlet Classification Yard
30 views
Hills Park Yard
30 views
Hills Park Yard
30 views
Printed Circuit Component Board
30 views
Total and Square Rt Summing
Printed Circuit Component Board
30 views
Rt Accelerometer
Printed Circuit Component Board
30 views
Rc Accelerometer
Printed Circuit Component Board
30 views
Valve Control
Printed Circuit Component Board
30 views
Frequency Standard 784.7 cycles
Printed Circuit Component Board
30 views
Motion Detector A
Printed Circuit Component Board
30 views
Servo Amplifier
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