ACID LIQUORS.
375. VINEGAR.
Vinegar is used chiefly as a sauce, and to preserve vegetable substances; but it is employed externally when an over dose of strong wine, spirit, opium, or other narcotic poison has been taken. A false strength is given to it by adding oil of vitriol, or some acrid vegetable, as pellitory of Spain, capsicum, &c. It is rendered colourless by adding fresh burned bone black, 6 ounces to a gallon, and letting it stand for two or three days to clear.
376. TO MAKE VINEGAR.
Mix cider and honey, in the proportion of 1 lb. of honey to a gallon of cider, and let it stand in a vessel for some months, and vinegar will be produced so powerful, that water must be mixed with it for common use.
377. Another Method.
Scheele, a celebrated chymist, has recommended the following recipe: Take 6 spoonsful of good alcohol; to this, add 3 pints of milk, and put the mixture into vessels to be corked close. Vent must be given from time to time to the gas of fermentation. In the course of a month, this will produce very good vinegar.
378. Another.
Put into a barrel, of sufficient dimensions, a mixture composed of 41 wine pints of water, about 8 pints of whiskey, (l’eau de vin de grain) about 2 wine pints of yeast, and 2 pounds of charcoal, and place it in a proper situation for fermentation. At the end of four months a very good vinegar will be formed, as clear and as white as water.
379. COMMON VINEGAR.