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Featuring Union Switch & Signal equipment photos
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Miniature Relay Style P
54 views
Style "SM" Furnace Door Equipment Covers Off
54 views
Digital Indicators 10/10/56
54 views
Digital and Alpha-numerical Indicators
54 views
Digital Indicator Test Set
54 views
Digital Indicator Close View
54 views
Hazeltine Radar Display Unit (US&S Indicators)
54 views
Militarized Digital Indicator
54 views
Trailer showing Field Cabinet - Arabian American Oil Co.
54 views
Field Cabinet in Trailer - Arabian American Oil Co.
54 views
Arabian-American Co. (Nariya) Front of Indication Panel
54 views
Line Drawing of Badger Pipeline
54 views
Badger Pipeline Coding Units (large)
54 views
Badger Pipeline E. Chicago Station (front panel)
54 views
Columbia Gas of Ohio
54 views
Columbia Gas of Ohio
54 views
Columbia Gas of Ohio
54 views
Columbia Gas of Ohio
54 views
Columbia Gas of Ohio
54 views
Hanna Coal Company (Cadiz, Ohio) 68" Office Cabinet (front)
54 views
Humble Pipeline Welker 1 control panel (typewriter cabinet)
54 views
Kansas Neb. Natural Gas Pipeline Engine Control Cabinet (Quinter Station) (back open)
54 views
Mid America Pipeline 34" Field Cabinet (clse up of panel)
54 views
Mid America 34" Field Cabinet (front)
54 views
Mid America 34" Field Cabinet (P.D. Cabinet) (close up of rack)
54 views
New York State Gas Co. (Bristol) (Pittsburgh Control Console) back open
54 views
Pacific Light & Gas Supply (Indication Panel)
54 views
captions swapped
Pacific Light & Gas Co. Cabinets (Pipeline)
54 views
Pemex Pipeline (Pocket Control) (front)
54 views
Petroleos Mexicanos (Venta de Carpio, Mexico) Station Cabinet (front)
54 views
Petroleos Mexicanos (Venta de Carpio, Mexico) Station Cabinet (closeup)
54 views
Petroleos Mexicanos (Venta de Carpio, Mexico) Station Cabinet (back)
54 views
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