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To make the best white hard Varnish

Rectified spirits of wine, two gallons: gum sandrach, five pounds; gum mastic, one pound; gum anime, four ounces; put these in a clean can, or bottle to dissolve, in a warm place, frequently shaking it, if (when the gum is dissolved) you strain it through a lawn sieve, it is fit for use. To make Mastic Varnish proper for varnishing Pictures or Drawings. To every quart of spirits of turpentine put one pound and a quarter of the cleanest gum mastic, set it in a sandbath till it is all dissolved, then strain it through a fine sieve, and it is ready for use; if too thick, you may thin it with spirits of turpentine.