- NLW ex 1444.
- File
- 1930-3.
A file containing engineering and other notes, together with copies of plans and diagrams, relating to the Birmingham water supply and Elan Valley reservoirs, arranged in alphabetical order by subject.
A file containing engineering and other notes, together with copies of plans and diagrams, relating to the Birmingham water supply and Elan Valley reservoirs, arranged in alphabetical order by subject.