The printing of cotton fabrics with the dyestuffs of Leopold Cassella & Co. G.M.B.H. Frankfort o. M (1905)
Leopold Cassella & Co · Frankfort o.M. : Leopold Cassella & Co., G.M.B.H. · leaf 38
18 Neutral Red and Neutral Violet. Neutral Red and Neutral Violet have for a long time past been used regularly as shading products for all the basic colours. Neutral Red extra. … 15 parts by weight of Neutral Red extra are dissolved in acetic acid of 8n Tw., 120 acetine, 10 tartaric acid solution 1 : 1 and 4 water, then stirred with 371 British gum 1:1, and when cold 400 tannin-acetic acid 1 : 1 are added. 80 1000 parts (approx.) Neutral Violet extra. parts by weight of…
Dyes and dyeing · Textile printing
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
