Disgrifiad
Copies of "London Water Welsh Supply - Remains of Measuring Weirs on the Rivers Wye, Irfon, Edw, Ysgir Fawr", a booklet of photographs, maps and 'Everyone can have their own bathwater - the astonishing story of London's bid to capture a Welsh River' by Richard R. Rees, c. 2015. collected by David Leighton.
