Chapter XXV Dyes and Dyeing
Coal-tar colours — Acid and basic colours — Theories of dyeing — Fixation of colours on leather — Mordants and mordant colours — Curriers’ inks — Glazes and finishes — “Assistants” in dyeing — Bronzing — Fading of colours — Practical methods of leather dyeing — Use of dyewoods — Iron “strikers” — Tannin blacks — Staining — Theory of colour-mixtures — Finishing dyed leathers — Testing of dyes — Injurious effects of metals in dyeing PAGE 394