Describes how system, in association with electric power signaling, has been practically applied.
Four-aspect colour light and power signalling southern railway
Ry. Gaz
Railway Gazette and Railway News ; 44 , n 13
1926
6 pages
11 Figs.
Article (Journal)
English
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Railway colour light signalling in relation to manual block and multiple aspect signals
Engineering Index Backfile | 1932
|Four-aspect colour light signals
Engineering Index Backfile | 1926
Railway colour light signalling from operating point of view
Engineering Index Backfile | 1934
|Colour-light signaling on the southern railway
Engineering Index Backfile | 1926
Engineering Index Backfile | 1932