Keywords: The Slate Quarry Penrhyn.jpeg Abstract A view of the slate quarry at Penrhyn showing men working and blasting on several levels Size mm 139 170 exhibition history Institution National Library of Wales Technique print engraving colour object history object type PD-old-70-1923 place of creation place of discovery 1129376 The Slate Quarry Penrhyn Uploaded with GWToolset The Slate Quarry Penrhyn http //dams llgc org uk/behaviour/llgc-id 1129376/fedora-bdef image/reference Images uploaded as part of NLW - WMUK collaboration Welsh Landscape Collection Penrhyn Quarries Wales Penrhyn Quarry 1850s |