Tom Anderson wrote on 07 June 2009 18:23:07 ...
On Fri, 5 Jun 2009, Tom Anderson wrote:

On Thu, 4 Jun 2009, John Rowland wrote:

Tom Anderson wrote:

Or, of course, you could dive, and build some platforms in tunnel.
And sever the Regents Canal?
Underground locks.

I had a bit of a look to see if there was such a thing as an underground
lock, and i couldn't quite find any, although i did find an underground
inclined plane:

http://www.d.lane.btinternet.co.uk/canal2.htm

Does anyone know of an actual underground lock?

There's one in Manchester, near Piccadilly station.
Photo at http://www.flickr.com/photos/binaryape/92608490/
--
Richard J.
(to email me, swap 'uk' and 'yon' in address)