20th century German colour guide published in the book Colour Primer (Die Farbenfibel, 1921) by German chemist and Nobel laureate Wilhelm Ostwald (1853-1952). | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Science History Institute |
Bildgröße: | 3734 px × 4680 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |