SN.53: Difference between revisions
Jump to navigation
Jump to search
(Created page with "Back to Control Functions ==Alterations in connection with Reversible Signalling== From 6 November 1977 the signal was mounted on a right-hand cantilever, in readiness f...") |
No edit summary |
||
| (One intermediate revision by the same user not shown) | |||
| Line 8: | Line 8: | ||
The reversible signalling was brought into use in 1980 <ref>Signalling Notice [[31/2767]]</ref>. | The reversible signalling was brought into use in 1980 <ref>Signalling Notice [[31/2767]]</ref>. | ||
==Capability to flash single yellow== | |||
The signal was given the capability to flash single yellow in May 1988, when the next signal, [[SN.59]], was cleared towards platform 3 or platform 1. | |||
[[File: 1988-02.png|border]] | |||
==References== | |||
<references/> | |||
Latest revision as of 21:43, 15 November 2014
Back to Control Functions
Alterations in connection with Reversible Signalling
From 6 November 1977 the signal was mounted on a right-hand cantilever, in readiness for the future installation of SN.653 on the same structure.
The reversible signalling was brought into use in 1980 [1].
Capability to flash single yellow
The signal was given the capability to flash single yellow in May 1988, when the next signal, SN.59, was cleared towards platform 3 or platform 1.
