Vintage Collectible Tin Percy R. Welsh Pharmacist RARE or ONLY Boric Acid Salve

This salve was mixed and packaged by the local pharmacist, Percy R. Welsh in Toronto Ohio. The Pharmacy was located at 120N 4th St Toronto OH (no zip code).

Boric acid is used as a fireproofing agent for wood, as a preservative, and as an antiseptic. It is used in the manufacture of glass, pottery, enamels, glazes, cosmetics, cements, porcelain, leather, carpets, hats, soaps, artificial gems, and in tanning, printing, dyeing, painting, and photography. It is a constituent of nickling baths and electric condensers, and it is used for impregnating wicks and hardening steel. In laboratory procedures, boric acid is used in the preparation of buffer solutions.
Boric acid is also used as a fungicide and as an insecticide powder. Domestic use may include its application as an insecticide for crawling insects such as roaches. In medicine, it has been used as a disinfectant and is a constituent of baby powders, antiseptics, diaper rash ointments, eye washes, gargles, etc.