|
Relay Case at elec. lock location at Sarah Furnace Crossover - PRR CTC installation - Red Bank - Oil City60 views
|
|
Russian Relay Case40 views
|
|
Russian Relay Case35 views
|
|
Russian Relay Case37 views
|
|
Instrument Case39 views
|
|
Gulf Interstate Pipeline Machine39 views
|
|
Gulf Interstate Pipeline Machine36 views
|
|
Gulf Interstate Pipeline Machine36 views
|
|
Gulf Interstate Pipeline Machine36 views
|
|
Gulf Interstate Pipeline Machine36 views
|
|
Russian 3-foot Relay Case36 views
|
|
6'-9" Instrument Case Wired Complete - "UR" Interlocking - Brazil43 views
|
|
6'-9" Instrument Case Wired Complete and Strapped for shipment - "UR" Interlocking - Brazil38 views
|
|
Instrument Cases - Etna, PA50 views
|
|
First Installation of Individual Carrier Units. - West End of Aspinwall Interlocking - Etna, PA - PRR53 views
|
|
First Installation of Individual Carrier Units. - West End of Aspinwall Interlocking - Etna, PA - PRR40 views
|
|
4'-11" Sheet Steel Instrument Case43 views
|
|
4'-11" Sheet Steel Instrument Case34 views
|
|
Pennsylvania Railroad Double Track Highway Crossing RS Case 6'8" (front)50 views
|
|
Pennsylvania Railroad Double Track Highway Crossing RS Case 6'8" (back)41 views
|
|
Instrument case - coded track circuit - Bradford Ind. - PRR68 views
|
|
Instrument case at Weller Yard Kelsa - N&W CTC49 views
|
|
Cast Iron Foundation with Instrument Case43 views
|
|
Cast Iron Foundation with Instrument Case39 views
|
|
Cast Iron Foundation with Instrument Case40 views
|
|
|
|
|
121 files on 4 page(s) |
|
4 |
|