Small-pox and measles) unknown or imperfectly known to the Greeks; the only real advance was in pharmacy and the therapeutical use of drugs.
It fuses at 339° to a colourless liquid, which solidifies on cooling to a white fibrous mass, known in pharmacy as sal prunelia.
This precipitate constitutes the "magistery of bismuth" or "subnitrate of bismuth" of pharmacy, and under the name of pearl white, blanc d'Espagne or blanc de fard has long been used as a cosmetic.
The University of Washington (1862) at Seattle embraces a college of liberal arts, a college of engineering and schools of law, pharmacy, mines and forestry.
The "pale" and "light brown" oils are used in pharmacy; the "brown" oil, the cod oil of commerce, being obtained from putrid and decomposing livers, has an objectionable taste and odour and is largely employed by tanners.