Hydron blue pat. and hydron violet pat. printed on cotton (1900)
Cassella Color Company · New York : Cassella Color Co. · leaf 27
Hydron Colours on Cotton Yarn Khaki Shades … 70 0,4 o/o Hydron Brown OB pat. Powder 0,7% Hydron Brown OB pat. Powder 0,1 °/o Hydron Yellow G pat. Paste 20 °/0 0,2% Hydron Yellow G pat. Paste 20% 71 0,35% ■Hydron Brown OG pat. Powder 0,65 o/tl Hydron Brown OB pat. Prowder 0,35»/o Hydron Brown OB pat. Powder 0,16%, Hydron Yellow G pat. Paste…
Dyes and dyeing
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
