Rouge solide pour laine Bl conc. = Wool fast red BL conc. = Wollechtrot BL conc (1910)

J.R. Geigy A.G · [Bâle] : J.R. Geigy · leaf 9

Dyes and dyeing -- Wool · Dyes and dyeing -- Silk

Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.

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