GUM BICHROMATE PRINTS 1890- 1930 has mainly been used by art photographers at the turn of the 20th century. cyanotopy was mainly used to
Cyanotype 1842-1920 was the third photographic process after the Daguerreotypie and Talbotype / Calotype for preparing stable photographic images . It relies on the use of iron , which causes the typical blue.
Cyanotype 1842-1920 was the third photographic process after the Daguerreotypie and Talbotype / Calotype for preparing stable photographic images . It relies on the use of iron , which causes the typical blue.
These old techniques are a perfect playground for me as a photogrpher to create my own photosensitive paper and experiment