Nid oes gennych resi chwilio datblygedig. Ychwanegwch un trwy glicio ar y botwm '+ Ychwanegu Rhes'
Digitized image of a drawing showing a  coarse metal melting furnace, as published fig 617 from Tomlinson's 'Cyclopedia of Useful Arts, Manufacturing, Mining and Engineering' Vol I, 1854Further Information
NPRNTeitlMath O SafleCasgliadauDelweddau
NPRN34089TeitlHafod Copperworks, SwanseaMath O SafleGWAITH COPRCasgliadau54Delweddau21
NPRN300184TeitlHafod and Morfa CopperworksMath O SafleGWAITH COPRCasgliadau404Delweddau146