substance
Benzo Purpurine 10 B
A named dye mordant / fixer lemma (Benzo Purpurine 10 B) drawn from public-domain dyeing and household-receipt speech (Beech / Hale).
substance
A named dye mordant / fixer lemma (Benzo Purpurine 10 B) drawn from public-domain dyeing and household-receipt speech (Beech / Hale).