Black Ink

Mix 10 parts of methyl violet; 20 parts of nigrosene; 30 parts of glycerine; 5 parts of gum arabic and 60 parts of alcohol. Heat it until the anilines are dissolved and stir until all are thoroughly mixed.

Red Ink

Mix 10 parts of fuchsin, 10 parts of alcohol; 10 parts of glycerine and 50 parts of water. Heat and stir as before.