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Hydron blue G and R, patented paste 20% and powder (1911)

Cassella Color Company · New York · leaf 36

An illustration from Hydron blue G and R, patented paste 20% and powder, 1911, leaf 36
SLIVER DYED IN APPARATUS. 46 … 47

Dyes and dyeing

Internet Archive · Clark Art Institute Library · Public Domain Mark 1.0. Free to use for anything.

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