Young's Demonstrative Translation of Scientific Secrets · Chapter 295551. Water-Colours Used in Drawing
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Indian Ink.—The best is stamped with Chinese characters, breaks with a glossy fracture, and feels smooth when rubbed on the plate.
Hair Pencils are made of camel's-hair; if they come to a point, when moistened, without splitting, they are good.
Drawing Paper.—That made without any wire marks, and called wove paper, is the best; it is made of various sizes and thicknesses.
To make a good white.—Clarify white lead with white-wine vinegar. After the powder has settled, pour off the vinegar, put the powder into a glass of water, stir it, and pour the water off while it is white into another glass; when it is settled, pour off the water, and an excellent white will be obtained. To this add gum enough to give it a gloss.