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Application of the benzidine colours in all branches of printing (1898)
Farbenfabriken Bayer Aktiengesellschaft · Elberfeld · leaf 120
Dyed with: 2 % Cnrysophenine;discharged with: au/0 Acid Violet 611. … Dyed with: 2% Benzo Chrome Brown K;discharged with : IV2 % Methylene Blue B B.Textile fabrics · Dyes and dyeing
Internet Archive · Clark Art Institute Library · Public Domain Mark 1.0. Free to use for anything.
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