Plan No. 473. Blue Ink Powder

Many people prefer blue ink, and for them he made powders of an excellent quality as follows:

Water-blue anilin, 1 dram; dextrin, 5 drams; or according to the following formula:

Soluble Prussian blue, 1 dram; dextrin, 2 drams. Dissolve the powder in hot water, varying the intensity of the blue shade as desired, by using more or less powder.