"Roland Perry" wrote in message
...

What others can the team suggest?

The silver-painted glass tubes used to stop big trains from going into
little tunnels, visible from the north end of Finchley Road station. There
is also a set near Barons Court, but I don't think they can be readily seen
from any station.

--
John Rowland - Spamtrapped
Transport Plans for the London Area, updated 2001
http://www.geocities.com/Athens/Acro...69/tpftla.html
A man's vehicle is a symbol of his manhood.
That's why my vehicle's the Piccadilly Line -
It's the size of a county and it comes every two and a half minutes