Report - - Kingsway Telephone Exchange (Chancery Lane DS) - London, September 2013 | Underground Sites | 28DaysLater.co.uk
BBC - Wiltshire - Wiltshire's Underground City - Area 8: Telephone Exchange
The Queen Makes The First Subscriber Trunk Dialled Telephone Call In 1958 - Flashbak
Number Please': Brentwood Telephone Exchange, 1972 - Essex Sounds
The Exchange - Science Museum Blog
The Queen Makes The First Subscriber Trunk Dialled Telephone Call In 1958 - Flashbak
The introduction of the telephone to Bristol
A Rare Video: The Queen Elizabeth II Makes The First Official Telephone Call In 1958. She called the Lord Provost of Edinburgh, more than 300 miles (482km) away from the Bristol Telephone
The secret underground city near Bristol that would save us all during a nuclear war - Bristol Live
Telephone Exchange | Kingswood, Bristol BS15 | Chris Guy | Flickr
Royalty - Queen Elizabeth II - Bristol Telephone Exchange Stock Photo - Alamy