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Featuring Union Switch & Signal equipment photos
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U-6 Switch Circuit Control
52 views
U-7 Switch Circuit Control
52 views
U-10 Switch Circuit Controller
52 views
Spring Switch installation, Wabash R.R.
52 views
Spring Switch installation, Wabash R.R.
52 views
Spring Switch installation, Wabash R.R.
52 views
Wabash high speed movement over mechanically locked spring switch, Birmingham, Mo.
52 views
S-1 Mech. Facing Point lock at Potts Grove, Readng System
52 views
Spring switch installation on the C.M.St.P. & P.
52 views
Spring switch installation at Ferguson, Ia. on the C.M.St.P. & P.
52 views
SL-26 Electric Switch Lock as applied to T-20 Switch Stand
52 views
TVL Radio Equipment Special for American Bridge Co. to U.S. Steel
52 views
TVL Transmitter (Otis Elevator Co.) (Front)
52 views
TVL Transmitter (Otis Elevator Co.) (Back)
52 views
Style 202 Heavy Duty Relay (Atlas Elevator Co.)
52 views
TVL Battery Charger Weatherproof (Atlas Elevator Co.)
52 views
Union Telecrane Dolly Display (with cover off)
52 views
Miniature Relay Socket Type C
52 views
Miniature Relay Style PL
52 views
Miniature Relay Style D
52 views
Miniature Relay Style E
52 views
Steel Mill Carrier Control - Selector Switch
52 views
Steel Mill Carrier Control - Power Supply
52 views
Hazeltine Radar Display Unit (US&S Indicators)
52 views
Field Cabinet - Arabian American Oil Co.
52 views
Columbia Gas of Ohio
52 views
Columbia Gas of Ohio
52 views
Columbia Gas of Ohio
52 views
Columbia Gas of Ohio
52 views
Humble Pipeline Co. (Humble Concho) (front)
52 views
Humble Pipeline Co. (Field Racks) front
52 views
Mid America Pipeline Conway Engine Seg. Cab. No. 3
52 views
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