The application of the benzidine colours in all branches of printing . Dyed nitli: 6»/o Benzo Chrome BlackBine B; discharged ^vith ziiic po^n^der. Mycd with: 4% Azo Violet;discharged with zinc S^^^^^^^^^^^^^^^^^^^^l Dyed with: 5% Benzo Brown with zinc powder. l>ye«l with: .?> , Brilliant Piirpuriue R;discharged with zinc powder.


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Keywords: ., bookcentury1800, bookdecade1890, bookidapplicationo, bookyear1898