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Featuring Union Switch & Signal equipment photos
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Service Pipe Line, No. Mo. - La Plata Field Location Cabinet (rear view, units swung out)
21 views
Service Pipe Line, No. Mo. - La Plata Field Location Cabinet (rear view, units swung out)
21 views
Single-Frequency Communication Equipment for Mine Locomotive
20 views
Hanger for Transmitter and Receiver boxes on Elevator Control and Communication Equipment
20 views
Transmitter without hanger
20 views
TVL Equipment
20 views
Hoist Phone - Battery Charger Solid State
20 views
D-55 Transmitter-Receiver Unit for Minephone
20 views
Slack Cable Detector Equipment
20 views
Mine Alarm System MSA
20 views
Mine Alarm System MSA
20 views
Gulf Interstate Pipe Line (Erath and Paradis) (back)
20 views
Service Pipeline - Kirby-Owl Creek System
20 views
Service Pipeline - Kirby-Owl Creek System
20 views
Sequence Cabinet - Rothville & Mayview Stations - Service Pipe Line Co.
20 views
Sequence Cabinet - Rothville & Mayview Stations - Service Pipe Line Co.
20 views
Service Pipeline (West Kansas Div.)
20 views
25/60 Cycle Power Supply
19 views
TVL Equipment for Atomic Energy Commission
19 views
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