Terry Harper wrote:


Some long time ago, the Glass Manufacturers Federation had their offices in
Portland Place.

When in the basement, you could just about hear the Bakerloo line trains
passing below.

You can also hear them from certain parts of the basement of Shell
Centre (York Road, Waterloo). The building is constructed on a concrete
raft, which is said to come within a few feet of the Bakerloo tunnel.

--
John Ray, London UK.

Mail to mefp49 is unlikely to be read. I can be contacted at xcf70 (same
ISP).