Keywords: Copper & brass works.jpeg Size mm 193 200 exhibition history Institution National Library of Wales Technique print engraving bw object history object type PD-old-100-1923 place of creation place of discovery 1133091 Copper brass works Uploaded with GWToolset Copper brass works http //dams llgc org uk/behaviour/llgc-id 1133091/fedora-bdef image/reference Images uploaded as part of NLW - WMUK collaboration Welsh Landscape Collection Holywell 1790s Copper industry Brass Copper mining Dams in Wales Engravings Black and white photographs |