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Drawing Inks • Blue Rulling Ink: - Good vitriol, 4 ounces; indigo, 1 ounce. Pulverize exposed to the air for 6 days, or until dissolved; then fill the pots with chalk; add fresh gall, ½ gill, boiling it before use. • Black Rulling ink: - Take good black ink, and add gall as for blue. Do not cork it, as this prevents it from turning black. • Carbon Ink: - Dissolve real India ink in common black ink, or add a small quantity of lampblack previously heated to redness, and ground perfectly smooth, with a small portion of the ink. • Liquid Indelible Drawing Ink: - Dissolve, by boiling, 2 parts of blond (golden yellow) shellac in 1.6 parts, by weight, of sal ammoniac 16° with 10 parts, by weight, of distilled water, and filter the solution through a woolen cloth. Now dissolve or grind 0.5 parts, by weight, of shellac solution with 0.01 parts, by weight, of carbon black. Also dissolve .03 parts of nigrosin in 0.4 parts of distilled water and pour both solutions together. The mixture is allowed to settle for 2 days and the ready ink is drawn off from the sediment. |
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