The Signalling Record Society
In Print Locations J
Signal Fact 86
By 1840 the London & Blackwall Railway was using simple instruments that were binary in operation: proceed / don't proceed.
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| Location | Magazine |
|---|---|
| James Street Junction (Burton on Trent) (MR) | Midland Railway Journal 2010 Summer. Midland Railway Journal 2009 Autumn. |
| Janesville (Winconsin) | RSHS Bulletin Volume 40 Issue 5. |
| Jedburgh NB062 |
Backtrack 2002 October. |
| Jervaulx NE237 |
Backtrack 2013 April. |
| Jumble Lane |
Rail 2008 August 13. |
| Junction Road (NBR) | North British 100. |
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