Assaying copper: Furnaces (1,4),ore (3),bellows (5),and aeolipile (6) to supply draught to furnaces. Pot in which flux is prepared (8). From 1683 English edition of Lazarus Ercker Beschreibung allerfurnemisten mineralischen Ertzt- und Berckwercksarten originally published in Prague in 1574. Copperplate engraving | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / UIG / Universal History Archive |
Taille de l’image : | 2827 px × 3091 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |