Search results
Results from the WOW.Com Content Network
The principal unit of land measure is 甲 ( Taiwanese Hokkien: kah, Hakka: kap, Mandarin: jiǎ). The unit is derived from the obsolete Dutch morgen, which was introduced during Taiwan's Dutch era. In the later era Kingdom of Tungning, 犁 ( Taiwanese Hokkien: lê, Hakka: lài, Mandarin: lí) is defined to represent the area that could be farmed ...
Troy weights were first used in England in the 15th century and were made official for gold and silver in 1527. [1] The British Imperial system of weights and measures (also known as Imperial units ) was established in 1824, prior to which the troy weight system was a subset of pre-Imperial English units .
The sovereign is a British gold coin with a nominal value of one pound sterling (£1) and contains 0.2354 troy oz of pure gold. Struck since 1817, it was originally a circulating coin that was accepted in Britain and elsewhere in the world; it is now a bullion coin and is sometimes mounted in jewellery. In addition, circulation strikes and ...
The weight of the English penny was fixed at 22 + 1 ⁄ 2 troy grains (about 1.46 grams) by Offa of Mercia, an 8th-century contemporary of Charlemagne; 240 pennies weighed 5,400 grains or a tower pound (different from the troy pound of 5,760 grains). The silver penny was the only coin minted for 500 years, from c. 780 to 1280.
Mina (unit) Measurement of ½ mina (actual weight 248 grams), a weight standard established by the Sumerian king Shulgi. It has a crescent image; used in the temple of the god Sin in Ur, diorite, 6.2 by 4.5 centimetres (2.4 in × 1.8 in), early 21st century B.C. (III dynasty of Ur).
C-19 [9] One gram is thus approximately equivalent to 15.432 36 grains. [6]: C-13 The unit formerly used by jewellers to measure pearls, diamonds, and other precious stones, called the jeweller's grain or pearl grain, is equal to 1 ⁄ 4 carat (50 mg; 0.77 gr). [5] The grain was also the name of a traditional French unit equal to 53.115 mg. [5]
Silver Britannias also are issued in fractional sizes of one-half, one-quarter, and one-tenth of a troy ounce and with face values of £1, 50p, and 20p respectively. Like the gold coins in 2013 two additional sizes were introduced, a five-ounce coin of face value £10, and a fractional size of one-twentieth of face value 10p. [1]
The coin was introduced during the second coinage (1344–1346) of King Edward III, when the coin weighed 138.5 grains (9.0 grams); during the king's third coinage (1346–1351) the weight of the coin was reduced to 128.5 grains (8.3 grams), while in his fourth coinage (1351–1377) it became even lighter, at 120 grains (7.8 grams).