Keywords: Penmachno quarry NLW3361500.jpg 1 negative glass wet collodion b w ; 10 x 12 5 cm Title assigned by cataloguer Slate quarrying Wales Penmachno 1870-1880 Dwellings Wales Penmachno 1870-1880 Industry Wales Penmachno 1870-1880 record number 3361500 ~ 1875 http //dams llgc org uk/behaviour/llgc-id 1125556/fedora-bdef image/reference LangSwitch Llyfrgell Genedlaethol Cymru The National Library of Wales http //dams llgc org uk/behaviour/llgc-id 1125556 Catalogue User Llywelyn2000/NLW/Credit Template place of discovery place depicted PD-old-100 Images from the National Library of Wales uploaded by Fæ Photographs by John Thomas |