Diamine colours on cotton treated with sulphate of copper (1898)
Cassella Color Company, Wm. J. Matheson & Co · Frankfort-on-Main : L. Cassella & Co. · leaf 13
Diamine Colours treated with Sulphate of Copper. Matelied with Diamine Colours. Fastest dyeings obtainable by old inetliods. Jl Exposed to light X Exposed to light 4 weeks 4 weeks (in September) (in September) … 76 1 WM. J. MA THE SON A C« , NEW YORK. AGENTS FOR LEOPOLD CASSELLA A Co., FIUNKFOUT-oi-.-JIaiii.
Dyes and dyeing
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.