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Application of the benzidine colours in all branches of printing (1898)
Farbenfabriken Bayer Aktiengesellschaft · Elberfeld · leaf 26
Dyed with: 4% Benzo Violet B. nvwi „iih • 1I20/u Benji0 Chrome Brown Bvyvu »«^ii/2o/(j Benzo Chrome Brown KTextile fabrics · Dyes and dyeing
Internet Archive · Clark Art Institute Library · Public Domain Mark 1.0. Free to use for anything.
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