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Featuring Union Switch & Signal equipment photos
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Service Pipe Line - Lost Cabin Cabinet
53 views
Service Pipe Line - Shoshoni Sequence Cabinet
53 views
Service Pipe Line - Shoshoni Sequence Cabinet
53 views
Service Pipe Line - Shoshoni C.T.C. Cabinet
53 views
Service Pipe Line - Shoshoni C.T.C. Cabinet
53 views
Pipeline Surge Control Shutdown
53 views
Service Pipe Line Cabinets (Back & front view door on)
53 views
Surge Shut-down System Pipe Line Oil
53 views
Sun Pipeline Field Cabinet Rack (Deer Path) (back)
53 views
Texas Company Surge Shutdown System (field cabinet)
53 views
Texas Pipeline Company (Tucumari & Dahlia Office Cabinet) (back)
53 views
Tidewater Associated Oil Company
53 views
Tidewater Associated Oil Co. Field Station
53 views
RV-42
53 views
Copper oxide Rectifier assembly
53 views
Style GP-100 Solid State Carrier System
53 views
Style GP-100 Solid State Carrier System
53 views
NYCTA 541 Solid State System (Test Rack)
53 views
Receiver for Carrier for 540-B System
53 views
Transmitter for Carrier for 540-B System
53 views
Glencoe to Milbank
52 views
Aberdeen - Mobridge
52 views
Aberdeen - Mobridge
52 views
Mamouth to Mobridge
52 views
Savannah Installation
52 views
C.T.C. for N.Y.C.& St.L.
52 views
Thornton
52 views
Thornton
52 views
Interior of 8-1/2 x 12 ft. steel instrument house located at Wampum
52 views
Looking west at B.& O. Jct. switch movement A-19 in foreground
52 views
Looking west showing inductors at signal R4, R6, Wampum
52 views
Looking west at signals R4, R6, showing B.& O. eastbound freight
52 views
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