together; add half a pint of yeast; keep it in a temperate situation, with the bung-hole open for two days, ⟨until⟩ fermentation subsides; close it up, or bottle it off, and it will be fit for use in a few days.
Instantaneous Ginger Beer.
Mix a quarter a lb. of loaf sugar with an ounce of carbonated soda, and a quarter of an ounce of ground ginger Put a tea spoonful of the above mixture and half a tea spoonful of tartaric acid, scented with essence of lemon into a glass of water, and you have Ginger Beer in ⟨a⟩ moment.
Made same as the above, only keep out the ginger.
To Engrave on Copper, Brass, or Steel.
Warm what you intend to engrave, and give it a thin coat of bees wax, then write on it with sharp instrument that will penetrate the wax, and rub it over with a little nitric acid, and it will cut it the same as if it has been engraved.
To make Good Shoe Blacking.
Ivory black 1 lb. molasses 1 lb. sperm oil and sulphuric acid 1 ounce each; then mix the whole well together, and form it into whatever shape you like.
To Remove Ink Spots and Iron Mould from Linen, &c.
Mix equal quantities of oxalic and tartaric acids, wet the stains with water, and rub a little of the above on it, and in a few minutes the spots will disappear.