The Cambrian 7 November 1856
The Cambrian 3 August 1849
Cholera warning notice, c. 1840
Lledan brook, Welshpool, c. 1880 [image 1 of 2]
Report of an inquiry into the water supply and...
Letter from Humphrey Jones, apprentice chemist...
Victorian water purifier, London, c.1860 (image...
Water testing kit, from the Royal Monmouthshire...
Letter from Florence Nightingale to William...
Installing sewers at Llanelltud, November 1952