Echtwollgelb GL, 2GL, 3GL : Anthrazurin G : Echtwollviolet 3RL

Kalle & Co · 1923 · Biebrich a. Rhein ; New York ; Warschau : Kalle & Co. · 2 pictures

Dyes and dyeing -- Wool

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