as astringent wash; this forms a most valuable collyrium.
482. Sulphate of Zinc
Dissolve twenty grains of white vitriol in a pint of water or rose water.
Use
for weak eyes.
483. Zinc and Camphor
Dissolve a scruple of white vitriol in ten ounces of water; add one drachm of spirit of camphor, and strain.
Use