_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