To Mix White-wash

Ingredients

• 1 peck of unslaked lime
• 2 pounds of whiting
• 1/2 pint of salt
• 1/2 ounce of Prussian blue, finely powdered

Instructions

Pour a kettle of boiling water on the lime, put in the whiting and salt, when all are mixed together, put in the Prussian blue, add water to make it a proper thickness to put on a wall.

Source

Domestic Cookery, Useful Receipts, and Hints to Young Housekeepers.