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Typo: A Monthly Newspaper and Literary Review, Volume 2

[Washable Paper]

Washable Paper.—Writing- and drawing-paper are first coated thinly with a mixture of glue or some other suitable adhesive substance, with zinc, white chalk, barytes, &c., and the color for producing the desired tint. They are then coated with silicate of soda, to which a small quantity of magnesia has been added, and dried at a temperature of 77° Fahr. during ten days or so. Paper thus treated is said to possess the property of preserving writing or drawing in lead pencil, chalk, or indian ink, unaltered after being washed.