Discovery of phosphorus. 18th-century artwork thought by some to show the German alchemist Hennig Brand (c.1630-c.1710) discovering phosphorus (glowing) in 1669. Brand is kneeling by the glowing flask. Two young assistants stand near a small candle on a workbench. This 1775 engraving is by William Pether,after the 1771 painting 'The Alchemist in Search of the Philosophers Stone' by Joseph Wright of Derby | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Tobias, Gregory / Chemical Heritage Foundation |
Bildgröße: | 3351 px × 4217 px |
Modell-Rechte: | nicht erforderlich |
Restrictions: |
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