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Application of the benzidine colours in all branches of printing (1898)
Farbenfabriken Bayer Aktiengesellschaft · Elberfeld · leaf 32
12 Dyed with: 4 °/0 Benzo Chrome Brown B;discharged with tin. … 14 Dyed with: 3l/2°/o Benzo Green G;discharged with tin.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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