Hydron blue pat. and hydron violet pat. printed on cotton (1900)
Cassella Color Company · New York : Cassella Color Co. · leaf 31
Hydron Colours on Cotton Yarn (Mixed Shades) … 0,35% Hydron Blue G pat. Paste 20% L % Hydron Blue G pat. Paste 20% 0,07 °/0 Hydron Brown OG pat. Powder 0,22 % Hydron Olive G pat. Powder 0,07% Hydron Yellow G pat. Paste 20% 104 109 0,46 °/0 Hydron Blue G pat. Paste 20% 1,3 % Hydron Blue G pat. Paste 20% 0,2 % Hydron Brown OG pat. Powder 0,17%…
Dyes and dyeing
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.