Hydron blue G and R, patented paste 20% and powder (1911)
Cassella Color Company · New York · leaf 34
Hydron Blue R pat. Paste 20%. No. 41. 9 % Hydron Blue G pat. Paste 20%. 4 % Hydron Blue R pat. Paste 20%. CHEESES. No. 42. 5 % Hydron Blue G pat. Paste 20%.1,5% Hydron Blue R pat. Paste 20%. No. 43. 6 % Hydron Blue G pat. Paste 20%.4 % Hydron Blue R pat. Paste 20%. The quantities of dyestuff are to… … 40 41
Dyes and dyeing
Internet Archive · Clark Art Institute Library · Public Domain Mark 1.0. Free to use for anything.
