Sujet

Refining copper by 'Hungarian' process

Légende

Refining copper by 'Hungarian' process. Cupellation cakes roasted, releasing heat. At 5: lead obtained being smelted. From 1683 English edition of Lazarus Ercker Beschreibung allerfurnemisten mineralischen Ertszt of 1580. Copperplate engraving. New plates with numbers rather than letters, but process faithfully copied

Crédit

Photo12/Ann Ronan Picture Library

Notre référence

ARP07099_390003183

Licence

Droits gérés

Format disponible

29,5Mo (2,0Mo) / 24,6cm x 30,0cm / 2910 x 3543 (300dpi)