Die Farben des umgekehrten Spektrums | The colours of the inverted spectrum
Abstract: The so-called inverted spectrum arises in optical arrangements when transparent and opaque, dark and bright elements are mutually exchanged. In looking through a prism to black-white patterns, e.g, switching black and white results in complementary colours and in particular the inverted spectrum. In the 18th century debate between trichromacy and the Newtonian seven-colour mixing scheme, many took it for...