Chicago
Tunnel Company
In 1908, Robert Bruce, the Controller of the
London Postal Region, visited the Chicago Freight Subway to check out
this new Subway system. Why don't you join Phil O'Keefe to check out the
tunnels for yourself.

Subterranea
Britannica
See some more photos taken at Mount Pleasant
station, and loads more of other underground sites of various types mainly
around the UK.
Underground
History
Have a look at Hywel Williams page, all about the
changing history of the Tube. Find out where those disused stations are, Have
a look inside disused sections of the tube.
London's
Railways
Mainly about
London Undergrounds disused stations & lines. Some additional information
on other tunnels beneath London.
The
Maginot Line
Read all about a line of
Fortification built close to the eastern border of France to protect against
invasion from the east. The Forts are linked by tunnels, some containing a
narrow gauge railway.
David
Othen's Home Page
Check out More of David's Photos at his 'Rail Road
photos' web page, also why not take a look at the Salem
& Hillsborough Railroad on which David regularly works.
The
European Railway Server
To see even more pictures of David Othen's and
others, of other Railways, check out this link to the European Railway
Server.

The
Kingsway Subway
Have a look at Dewi Williams website about another
tunnel under the streets of London, this one was built for trams and it
actually crosses over the Post Office Railway at one point. Whilst there do
have a look at the rest of Dewi's
site
Historical
Model Railway Society
Thinking of building a model of the Post Office Railway,
or any other railway, then have a look at this site. It offers many hints and
tips and loads of links to other sites
The
Royal Mail
Royal Mail invites you to check out their latest
collection of stamps. See what the future holds for the Post Office.
Royal
Mail Heritage Center
The archive of Royal Mail from 1636. Including, stamps of
Great Britain from the Penny Black, British postal markings, letterboxes,
vehicles, uniforms, sorting frames, sorting machines and handstamps.
The
Tube Prune
Tube Professionals' Rumour
Network. An unofficial web site for professional railway people working
for London Underground and for those interested in the London Underground
railway system. Contains many interesting and little known facts about the
system.

The
Virtual Mercury Arc Rectifier museum
Find out about the various uses, and the
operation of Mercury arc rectifiers.