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Clive D. W. Feather · April 1st 07, 05:12 PM posted to uk.transport.london,uk.railway

In article . com,
writes
On the subject of theatre type indicators, was there anywhere else,
other than Liverpool Street, that used them with non-alphanumeric
indications? At the ends of the Liverpool Street platforms they used
to display a horizontal line of lights, each light representing a
route from left to right, with a light above and below the route set.
So you had a single horizontal line of lights, except for the set
route which had a vertical line of three.

I think you're misremembering. There were platforms with two routes out,
either left over a crossover and to the starting signal of the next
platform on the left, or ahead and then over a crossover beyond that
signal. These were shown with theatre indicators displaying:

o o
o o o o o o o o o o
o o
o
o
o
o

As for other places, signal P423 on the Down Fast approaching
Peterborough used to have two theatre indicators that were used to
simulate "feathers" - they showed a diagonal line or a horizontal line
for the two routes to the left and the three to the right. This was an
experiment, and they've now been replaced by four normal feathers plus a
theatre to one side that shows (IIRC) "B" for "bay" instead of the third
route to the right.

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