Farbenfabriken vorm. Friedrich Bayer & Co. · Farbenfabriken vorm. Friedrich Bayer & Co. · leaf 67
Dyes and dyeing · Dyes and dyeing -- Wool · Dyes and dyeing -- Cotton · Dyes and dyeing -- Textile fibers · Dyes and dyeing -- Silk · Farbenfabriken vorm. Friedrich Bayer & Co
Science History Institute · Courtesy of Science History Institute · Public Domain Mark 1.0 (public domain). Free to use for anything.
