To relieve the congestion and local irritation, a wash composed of boracic acid in freshly boiled water, 20 grains to the ounce, or acetate of zinc, 5 grains to the ounce of pure soft water, may be used, to which may be added 20 drops of laudanum.
"Special Report on Diseases of Cattle"
U.S. Department of Agriculture J.R. Mohler
The first thing to be done is to coat it over so as to shut out the air; and this, for a slight burn, can be very well done by dusting it over with baking soda or clean flour or with one of the many dusting, or talc, powders on the market, containing boracic acid, or by laying over the burn a clean cloth soaked in perfectly clean olive oil or vaseline.
"A Handbook of Health"
Woods Hutchinson
In the treatment of burns it has been my custom to envelope the part in a thick layer of this cotton, after bathing it with a tepid 1-2,000 solution of corrosive sublimate and dusting with a very fine powder of boracic acid.
"The Medicinal Plants of the Philippines"
T. H. Pardo de Tavera