SN.53: Difference between revisions
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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== | ||
<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.
