What are the units of measurement in the apothecary system?
What are the units of measurement in the apothecary system? The basic apothecaries’ system consists of the units pound, ounce and scruple from the classical Roman weight system, together with the originally Greek drachm and a new subdivision of the scruple into either 20 (“barley”) or 24 (“wheat”) grains (Latin: grana). How does the apothecary […]