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Application of the benzidine colours in all branches of printing (1898)
Farbenfabriken Bayer Aktiengesellschaft · Elberfeld · leaf 98
Dyed with: 4% Benzo Purpurine 4B;Discharged with: 4% Auramine G. 11 … Dyed with: 4% Chrysophenine and 1*5 % Brilliant Green;Discharged with: l50/0 Auraniine G. 13Textile fabrics · Dyes and dyeing
Internet Archive · Clark Art Institute Library · Public Domain Mark 1.0. Free to use for anything.
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