Page:Book of knowledge (2).pdf/16



Ivory black, two ounces; brown one ounce and a half; sweet oil, half  table spoonful. Mix them well, and gradually add half a pint of small beer.

Take a piece of flint-glass, beat it to a powder, and grind it well with the  of an egg, and it joins china  rivetting, so that no art can break it in  same place. You are to observe that composition is to be ground extremely on a painter's stone.

Hold the Iron-mould on the cover of a tankard of boiling water, and rub on the spot a little juice of sorrel and a little salt, and when the cloth has thoroughly imbibed the juice wash it in lie.