Hydron blue G and R : patented : paste 20% and powder (1911)
Cassella Color Company · New York : Cassella Color Co. · leaf 13
he fresh bath of 40 — 50° C. (105 — 120° F.), raise the temperature gradually to the boil, and treat for about A hour in all; hereafter rinse. DYEING OF WARPS IN THE CONTINUOUS DYEING MACHINE. Warps may be dyed with Hydron Blue in any kind of warp- dyeing machine provided with squeezing rollers and… … 9
Dyes and dyeing · Color in the textile industries
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
