The Every-day Book and Table Book. v. 2 (of 3)

part is extracted, or dissolved; then strain off the clear decoction,

and add to the residuum of the galls as much water as will be equal to the vinegar evaporated in boiling; stir them a little, and after allowing the powdered galls time to subside, strain off the clear liquor, and mix it with the former decoction, adding to the mixture six ounces of sulphate of iron; and this bein...