Keywords: Jilji Vratislav Jahn 1886.png Jiljí Vratislav Jahn 1836 - 1902 Czech chemist writer and politician deputy in Austrian Reichsrat http //archiv ucl cas cz/index php path SvetozorII/20 1886/22/344 png Světozor year 1886 issue 22 digitized by Czech Academy of Sciences Creator Jan Vilímek 1886-05-07 PD-old Světozor Jan Vilímek Jiljí Vratislav Jahn |