Chronology of events in the history of photography in the Czech lands till 1918.

Jakub Husník used salts of various metal to tone photographs

Beseda magazine (vol. II, No. 24) brought on the 25.5. the news that Jakub Husník and Dr. Švarcer, teachers of the Tábor high school, use salts of various metals (not silver or gold) to make and tone photographs.