White lead production. 19th-century artwork showing workers in China producing white lead. This mineral is a mixture of lead carbonate and lead hydroxide. It is used as a pigment in oil paintings. This is the stage where the powder is heated on a range. This artwork is an opaque watercolour. It dates from circa 1820 | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / British Library |
Bildgröße: | 4913 px × 3921 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |