Thread: London Bridge signals question
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Old April 1st 07, 09:08 AM posted to uk.transport.london,uk.railway
Clive D. W. Feather Clive D. W. Feather is offline
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Default London Bridge signals question
In article .com,
writes
And normally known as 'theatre type route indicators'. Except that in
the report into an accident at Euston in 1949, the inspecting officer
describes them as 'a route indicator of the music hall type'.

Was this a generally used term at one time, or is the inspecting
officer simply confused?

This kind of indicator was originally used in music halls or theatres to
indicate which act was being shown; the railway then appropriated them.
So both "music hall type" and "theatre" are reasonable names, though the
former probably went out of use as the music halls did.

Technically they are "alphanumeric indicators meeting sighting
requirement class 2", if I recall correctly. Stencil indicators meet
sighting requirement class 3.

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