Waschechte Diazobraun und Diazoolive = Diazo browns and diazo olives fast to washing = Diazo bruns et diazo olive solides au lavage.

Farbenfabriken vorm. Friedrich Bayer & Co · 1911 · Elberfeld : Farbenfabriken vorm. Fried. Bayer & Co. · 6 pictures

Dyes and dyeing -- Cotton · Cotton

Internet Archive · Getty Research Institute · Public domain (published before 1931) · More from this library