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Halbwolle = Half-wool dyeing = La teinture de la mi-laine
Farbenfabriken vorm. Friedrich Bayer & Co · 1900 · Leverkusen bei Cöln a/Rh. : Farbenfabriken vorm. Fried. Bayer & Co. · 13 pictures
Dyes and dyeing -- Wool
Internet Archive · Getty Research Institute · Public domain (published before 1931) · More from this library