In article , Jon Anderson
writes
On 6/05/2018 7:23 AM, Chris Holford wrote:

https://www.nmni.com/our-museums/uls...and-transport-
museum/Home.aspx

Thanks for that!
This map links to a series of articles on lesser-known
sites of technical interest;
http://www.gypsythief.org.uk/GeeksMapToBritain/
--
Chris Holford