The Hazards of Industrial Research
thearticle.com> “Have you laid your copper pipe between any two cities as yet?” he asked. “ No,” I replied. “ What a pity,” he said. “ We could have put our fibres into your pipe.”
Ouch.
I think here are still some test wave guides running along side the a13 near Ipswich that the BT/GPO lab at Martelsham laid.
A warning that this site has an incredibly intrusive nag-box that pops up after you've read a bit of the article.