Subterranea Britannica (@subbrit) 's Twitter Profile
Subterranea Britannica

@subbrit

The UK society for studying man-made and man-used underground places. Discover mines, tunnels, nuclear bunkers, caves, military defences and more.

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linkhttp://subbrit.org.uk/ calendar_today07-08-2011 20:28:03

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Filbert Cobb (@filbertcobb) 's Twitter Profile Photo

I suspect this is a secret tunnel that allows trains from Exeter St David's to get to Grateley without stopping or even materialising at Salisbury salisburyjournal.co.uk/news/24759922.…

Marcus Cribb (@mcribbhistory) 's Twitter Profile Photo

"The forgotten street found behind a hidden library door. Behind a door deep within the lower floors of the National Library of Scotland lies a forgotten street which gives a glimpse of how Edinburgh looked centuries ago." bbc.co.uk/news/articles/…

Rotherhithe Connections - People & Place (@irotherhithe) 's Twitter Profile Photo

December 4 St Barbara's FeastDay & #WorldTunnellingDay St Barbara the Patron Saint of Tunnellers Traditionally Saint's statue placed by entrance of a tunnelling project to protect tunnellers Brunel's #ThamesTunnel & #rotherhitheroadtunnel 2 important tunnels here in #rotherhithe

December 4 St Barbara's FeastDay & #WorldTunnellingDay
St Barbara the Patron Saint of Tunnellers
Traditionally Saint's statue placed by entrance of a tunnelling project to protect tunnellers
Brunel's #ThamesTunnel & #rotherhitheroadtunnel 2 important tunnels here in #rotherhithe
Rotherhithe Connections - People & Place (@irotherhithe) 's Twitter Profile Photo

OTD12Dec 1849 Death of Sir Marc Isambard #Brunel Most famous achievement #ThamesTunnel 1825-1843 made possible by 1818 #tunnellingshield patent jointly with Sir Thomas Cochrane Many other projects including designing machinery to automate production of pulley blocks for RoyalNavy

OTD12Dec 1849 Death of Sir Marc Isambard #Brunel
Most famous achievement #ThamesTunnel 1825-1843 made possible by 1818 #tunnellingshield patent jointly with Sir Thomas Cochrane
Many other projects including designing machinery to automate production of pulley blocks for RoyalNavy
Cornwall Live (@cornwalllive) 's Twitter Profile Photo

Nuclear war bunker by the sea keeps chilling secrets underground The hidden time capsule opens to the public on selected dates each year cornwalllive.com/whats-on/under…

colin furze (@colin_furze) 's Twitter Profile Photo

This looks epic, seeing the how the tunnel and garage sit round the house and the bunker at the bottom of the garden just waiting to be connected, you know where to find it, see you there. #colinfurze #secretgarage #engineering #selfbuild #secrettunnel #diy #bunker #3dscanning

ianVisits (@ianvisits) 's Twitter Profile Photo

New tours reveal Green Park tube station's disused tunnels and wartime bedrooms ianvisits.co.uk/articles/new-t… Green Park tube station is famous for the long tunnels between its platforms, but hidden behind small anonymous doors is an even larger tube station with a deep hist...

New tours reveal Green Park tube station's disused tunnels and wartime bedrooms

 ianvisits.co.uk/articles/new-t… 

Green Park tube station is famous for the long tunnels between its platforms, but hidden behind small anonymous doors is an even larger tube station with a deep hist...
colin furze (@colin_furze) 's Twitter Profile Photo

New 2nd channel video tomorrow and getting closer to a main channel video to. But as you can see #secretgarage is taking shape. #colinfurze #secrettunnel #engineering

New 2nd channel video tomorrow and getting closer to a main channel video to. But as you can see #secretgarage is taking shape. #colinfurze #secrettunnel #engineering
Battle of Britain Bunker (@bofbbunker) 's Twitter Profile Photo

Amazing opportunity to join other uniformed groups for a sleepover under the Spitfires and Hurricane’s at the Battle of Britain Bunker. This normally sold out event has a cancellation for the 22/23rd March. For more details contact our Education team at [email protected]

Amazing opportunity to join other uniformed groups for a sleepover under the Spitfires and Hurricane’s at the Battle of Britain Bunker. This normally sold out event has a cancellation for the 22/23rd March. 

For more details contact our Education team at bunker@hillingdon.gov.uk
Tunnelling Journal (@tunnel_journal) 's Twitter Profile Photo

The UK’s power provider, National Grid has received full planning approval for the Grain to Tilbury project from Thurrock Council in Essex and Gravesham Borough Council in Kent, a key milestone in strengthening the UK’s energy network tunnellingjournal.com/uks-national-g…

Rotherhithe Connections - People & Place (@irotherhithe) 's Twitter Profile Photo

OTD 25March 1843 Thames Tunnel opened to the public The Ist sub aqueous tunnel in the world Built between 1825 &1843 using Marc Isambard Brunel's & Thomas Cochrane's newly invented tunnelling shield technology by Brunel & his son Isambard Kingdom Brunel en.m.wikipedia.org/wiki/Thames_Tu…

OTD 25March 1843 Thames Tunnel opened to the public
The Ist sub aqueous tunnel in the world
Built between 1825 &1843 using Marc Isambard Brunel's & Thomas Cochrane's newly invented tunnelling shield technology by Brunel & his son Isambard Kingdom Brunel
en.m.wikipedia.org/wiki/Thames_Tu…
OldLiverpoolRailways (@orailways) 's Twitter Profile Photo

😮Network Rail has just uncovered after being sealed for decades! the original 1849 rope winding vault for the Victoria Tunnel at Edge Hill. As with the Wapping and Lime Street tunnels, it used a steam-powered rope haulage system to pull rolling stock up from the docks

😮Network Rail has just uncovered after being sealed for decades! the original 1849 rope winding vault for the Victoria Tunnel at Edge Hill. As with the Wapping and Lime Street tunnels, it used a steam-powered rope haulage system to pull rolling stock up from the docks
Joe Brown (@joebrownlondon) 's Twitter Profile Photo

#OnThisDay 54 years ago the Victoria Line opened between Victoria and Brixton via Vauxhall and Stockwell (Pimlico opened in 1972). It was intended to continue to Streatham Hill, Streatham, and Norbury but never made it beyond here. More Tube Mapper - Luke Agbaimoni magic buff.ly/c0fy7Mz

#OnThisDay 54 years ago the Victoria Line opened between Victoria and Brixton via Vauxhall and Stockwell (Pimlico opened in 1972). It was intended to continue to Streatham Hill, Streatham, and Norbury but never made it beyond here. More <a href="/tubemapper/">Tube Mapper - Luke Agbaimoni</a> magic buff.ly/c0fy7Mz
Battle of Britain Bunker (@bofbbunker) 's Twitter Profile Photo

🔓 Open House Weekend: Visit the Generator House Step inside a rarely seen part of the Battle of Britain Bunker – the Generator House, once vital for backup power during WWII. 🎟️ 13-21 Sept 📅 Find out more here: buff.ly/AecZm5p

🔓 Open House Weekend: Visit the Generator House
Step inside a rarely seen part of the Battle of Britain Bunker – the Generator House, once vital for backup power during WWII.
🎟️ 13-21 Sept 
📅 Find out more here: buff.ly/AecZm5p