Hydron blue pat. and hydron violet pat. printed on cotton (1900)
Cassella Color Company · New York : Cassella Color Co. · leaf 32
Hydron Colours on Cotton Yarn (Mixed Shades) 0,85 °/9 Hydron Blue G pat. Paste 20% 9 o/o Hydron Blue G pat. Paste 20 °/0 0,1 °/0 Hydron Blue R pat. Paste 20% 4,5 o/0 Hydron Blue R pat. Paste 20o/o … 1,5 % Hydron Blue G pat. Paste 20°/o 6% Hydron Blue G pat. Paste 20% 0,35% Hydron Blue R pat. Paste 20% 6% Hydron Blue R pat. Paste 20% 2,6 % Hydron Blue G pat. Paste 20% 9 % Hydron Blue R pat. Paste 4,5o/o Hydron Blue G pat. Paste 20% 0,7 % Hydron Blue R pat. Paste 20% 6% Hydron Blue G pat. Paste…
Dyes and dyeing
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
