Troy weight A grain is 20 mites, a mite is 24 droits, a droit is 20 perits, a perit is 24 blanks. In Scotland, the Incorporation of Goldsmiths of the City of Edinburgh used a system in multiples of sixteen. ("See Assay-Master's Accounts, 1681–1702, on loan from the Incorporation to the National Archives of Scotland".) Thus, there were 16 drops to the troy ounce, 16 ounces to the troy pound, and 16 pounds to the troy stone. The Scots had several other ways of measuring precious metals and gems, but this was the common usage for gold and silver. The Pound was
Ancient grains quinoa, amaranth, buckwheat, and chia. Modern wheat is a hybrid descendant of three wheat species considered to be ancient grains: spelt, einkorn, and emmer. The origin of grains goes back to the Neolithic Revolution about 10,000 years ago, when prehistoric communities started to make the transition from hunter-gatherer to farmer. Modern varieties of grains have been developed over time through mutation, selective cropping, breeding and research in biotechnology. Ancient grains, however, are said to be largely unchanged from their initial domesticated varieties. Several ancient grains were worshipped and used by many ancient civilizations, from the Aztecs to the Greeks and