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Featuring Union Switch & Signal equipment photos
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Elko-Salt Lake City Installation
92 views
Style G Relay Panel Form 528 (Santos a Jundiaia R.R.)
92 views
Santos a Jundiaia R.R. - Type S Form 528 High Speed Control System
92 views
Draws up for vessel passing through - Bunker Hill monument on right - Boston terminal
92 views
Cab Sig Magnet Valve
92 views
170 KC Frequency Standard for Type CY Cab Signal
92 views
BARTD Equipment
92 views
UR Control machine - N.Y.C.T.A. B'way 7th avenue line 34th street to 96th street
92 views
N.Y.C.T.A. Dispatchers Track indicator 59th St. Interlocking - Lexington Avenue
92 views
N.Y.C.T.A. Grand Central UR Interlocking Lexington Avenue
92 views
N.Y.C.T.A. Shuttle Automation Car Equipment Rack
92 views
Hanger
92 views
AFO Line Transmitter (top view 6 dBM position)
92 views
HM Relay House - 8'-6" x 19'-4"
92 views
I.T.C. Training Unit
92 views
Yard Indicator - Dodge City-Kinsley C.T.C. - A.T.& S.F. Rwy.
92 views
Home signal bridge on the southeast and southwest approach - Cincinnati Union Terminal
92 views
Eastbound train - Polo, Mo. - Rock Island - Milwaukee
92 views
Spring Switch Installation - Wabash R.R.
92 views
Line drawing H-5 Searchlight Signal for advertisement
92 views
MOD 1-A Computer URR
92 views
MOD 1-A Computer URR
92 views
Solid State Power Sub Station equipment LIRR
92 views
PCB General Purpose Boards
92 views
PCB General Purpose Boards
92 views
Sevena - Puerto - Coquimbo
91 views
Clifton, Forge, and Stanton
91 views
Columbus - Cummings
91 views
Cabin Creek "KD" Interlocking
91 views
Sioux City, Iowa
91 views
Arcada - Frankfort
91 views
Dispatchers Track Indicator 59th St. Interlocking
91 views
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