This section is from the book "Materia Medica Pharmacy, Pharmacology And Therapeutics", by W. Hale White. Also available from Amazon: Materia Medica Pharmacy, Pharmacology And Therapeutics..
Plumbi Oxidum. Lead Oxide. PbO=222.36. Synonym. - Litharge.
Made by roasting Lead in air.
Copper, iron and carbonates.
Lead Oxide is used to make Liquor Plumbi Subacetatis.