On Jun 6, 10:45*pm, Tom Anderson wrote:

is from 1928? I assumed the story meant the signal box was built in 1928,
not necessarily that all the equipment in it was still original. But i
know nothing of these things.

Hold on, i've just looked at the link Nick posted. It's not from 1928 -
it's from 1926! Yikes!

Ther are others the saem

Hammersmith 1931

http://www.wbsframe.mste.co.uk/public/Hammersmith.html

and other cabins like Rayners Lane, Harrow on Hill still manned power
frames.

*Almost* the entire underground except Central line and east end of
Jubilee (JLE) is on V-style remote control frames.

--
Nick