The Valleys Re-Told Project
William Crawshay, Cyfarthfa: 52 1/2" engine,...
Robert Crawshay, Cyfarthfa: 2 horse power...
OCHR-Y-MYNYDD, IRONSTONE WORKINGS W OF..
YNYSFACH IRONWORKS, MERTHYR TYDFIL
Gweithfeydd Haearn a Dur Cyfarthfa
WINCH FAWR