I 



282 PRESCRIPTIONS AND PREPARATIONS. 



half a pint : macerate for two weeks, and strain. Used 

 for healinor sores and wounds. 



o 



Tincture of Iodine. — Take of iodine, half an ounce ; 

 iodide of potassium, one ounce; alcohol, one pint: mace- 

 rate for a day or so, and it is fit for use. Used as an in- 

 jection for abscesses and empty cavities. It is also used 

 by some for enlargements, in the same way as it is used 

 for erysipelas in man, by painting the affected part. 



Spirits. 



Proof Spirits. — Take rectified spirits of wine, three 

 parts by measure; water, two parts by measure; and 

 mix. This is the proper strength for making tinctures. 

 Keep the rectified spirits by itself till wanted, the water 

 can be added when needed. 



Spirits of Camphor. — Take of camphor, two and a 

 half ounces; rectified spirits, one pint; dissolve. Used 

 for sprains, bruises and sores. 



Waters. 



Lime "Water, — Take a lump of lime, or limestone, of 

 about a pound weight; lay it on a soup plate, and wet it 

 with water, which will soon convert the hard stone into a 

 fine powder. Then put it into a stone jar holding a gal- 

 lon or upwards, and fill in one gallon of water, and cork 

 it closely. It is now ready for use when wanted. The 

 same lime may be used repeatedly, by pouring fresh 

 water, as the other is taken out. This water is what 

 the lime liniment is partly composed of. 



Tar Water. — {Bishop Berkeley s Receipt.) — Pour a 

 gallon of cold water on a quart of liquid tar: stir ; mix 

 and work them together thoroughly, with a wooden ladle, 

 or flat stick, for five or six minutes. Then, let the vessel 



