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Pennyweights
A pennyweight (dwt) is a unit of mass equal to 24 grains, of a troy ounce, of a troy pound, avoirdupois ounce and exactly 1.55517384 grams. It is abbreviated dwt, ''d'' standing for ''denarius'' (an ancient Roman coin), and later used as the symbol of an old British penny (see £sd). History In the Middle Ages, an English penny's weight was literally, as well as monetarily, of an ounce and of a pound of sterling silver. At that time, the pound unit in use in England was the Tower pound, equal to 7,680 Tower grains (also known as wheat grains). The medieval English pennyweight was thus equal to 32 Tower grains. When Troy weights replaced Tower weights in 1527, the Troy weights were defined in such a way that the old Tower pound came out to exactly 5,400 Troy grains (also known as barleycorns), the Tower pennyweight Troy grains (and thus approximately 1.46 grams). After 1527, the English pennyweight was the Troy pennyweight. of 24 Troy grains. Thus the Troy p ...
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Troy Weight
Troy weight is a system of units of mass that originated in the Kingdom of England in the 15th century and is primarily used in the precious metals industry. The troy weight units are the grain, the pennyweight (24 grains), the troy ounce (20 pennyweights), and the troy pound (12 troy ounces). The troy grain is equal to the grain unit of the avoirdupois system, but the troy ounce is heavier than the avoirdupois ounce, and the troy pound is lighter than the avoirdupois pound. Legally, one troy ounce (oz t) equals exactly 31.1034768 grams. Etymology Troy weight is generally supposed to take its name from the French market town of Troyes where English merchants traded at least as early as the early 9th century. The name ''troy'' is first attested in 1390, describing the weight of a platter, in an account of the travels in Europe of the Earl of Derby. Charles Moore Watson (1844–1916) proposes an alternative etymology: ''The Assize of Weights and Measures'' (also known a ...
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Troy Ounce
Troy weight is a system of units of mass that originated in the Kingdom of England in the 15th century and is primarily used in the precious metals industry. The troy weight units are the grain, the pennyweight (24 grains), the troy ounce (20 pennyweights), and the troy pound (12 troy ounces). The troy grain is equal to the grain unit of the avoirdupois system, but the troy ounce is heavier than the avoirdupois ounce, and the troy pound is lighter than the avoirdupois pound. Legally, one troy ounce (oz t) equals exactly 31.1034768 grams. Etymology Troy weight is generally supposed to take its name from the French market town of Troyes where English merchants traded at least as early as the early 9th century. The name ''troy'' is first attested in 1390, describing the weight of a platter, in an account of the travels in Europe of the Earl of Derby. Charles Moore Watson (1844–1916) proposes an alternative etymology: ''The Assize of Weights and Measures'' (also known as ...
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Sterling Silver
Sterling silver is an alloy composed mass fraction (chemistry), by weight of 92.5% silver and 7.5% other metals, usually copper. The sterling silver silver standards, standard has a minimum millesimal fineness of 925. ''Fineness, Fine silver'', which is 99.9% pure silver, is relatively soft, so silver is usually alloyed with copper to increase its hardness and strength. Sterling silver is prone to Tarnish, tarnishing, and elements other than copper can be used in alloys to reduce tarnishing, as well as casting porosity and firescale. Such elements include germanium, zinc, platinum, silicon, and boron. Recent examples of these alloys include Argentium sterling silver, ''argentium'', ''sterlium'' and ''silvadium''. Etymology The term ''sterling silver'' originally meant "silver fit to be used in the making of sterlings", ''sterling'' being another name for the English Penny (English coin), silver penny. The etymology of ''sterling'' itself is Pound_sterling#Etymology, unclear and ...
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Denarius
The ''denarius'' (; : ''dēnāriī'', ) was the standard Ancient Rome, Roman silver coin from its introduction in the Second Punic War to the reign of Gordian III (AD 238–244), when it was gradually replaced by the ''antoninianus''. It continued to be minted in very small quantities, likely for ceremonial purposes, until and through the Tetrarchy (293–313). The word ''dēnārius'' is derived from the Latin ''dēnī'' "containing ten", as its value was originally of 10 ''As (Roman coin), assēs''.Its value was increased to 16 assēs in the middle of the 2nd century BC. The word for "money" descends from it in Italian (''denaro''), Slovene (''denar''), Portuguese (''dinheiro''), and Spanish (''dinero''). Its name also survives in the dinar currency. Its symbol is represented in Unicode as 𐆖 (U+10196), a numeral monogram that appeared on the obverse in the Republican period, denoting the 10 ''asses'' ("X") to 1 ''denarius'' ("I") conversion rate. However it can also be re ...
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Cheshire
Cheshire ( ) is a Ceremonial counties of England, ceremonial county in North West England. It is bordered by Merseyside to the north-west, Greater Manchester to the north-east, Derbyshire to the east, Staffordshire to the south-east, and Shropshire to the south; to the west it is bordered by the Welsh counties of Flintshire and Wrexham County Borough, Wrexham, and has a short coastline on the Dee Estuary. The largest settlement is Warrington. The county has an area of and had a population of 1,095,500 at the 2021 United Kingdom census, 2021 census. The areas around the River Mersey in the north of the county are the most densely populated, with Warrington, Runcorn, Widnes, and Ellesmere Port located on the river. The city of Chester lies in the west of the county, Crewe in the south, and Macclesfield in the east. For Local government in England, local government purposes Cheshire comprises four Unitary authorities of England, unitary authority areas: Cheshire East, Cheshire We ...
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Obsolete Units Of Measurement
This is a list of obsolete units of measurement, organized by type. These units of measurement are typically no longer used, though some may be in limited use in various regions. For units of measurement that are unusual but not necessarily obsolete, see List of unusual units of measurement. For units of measurement that are humorous in nature, see List of humorous units of measurement. Area * Antsingae – a unit of area, smaller than the bunarium. * Bunarium (plural "bunaria") – a unit of area, equal to about 120 Hectare#Are, ares or 12,000 square metres * Carucate * Cawnie * Decimal (unit), Decimal * Dessiatin * Ground (unit), Ground * Hide (unit), Hide * Juchart * Jugerum * Katha (unit), Katha * Lessa (unit), Lessa or Lecha * Marabba * Morgen * Oxgang * Pari (unit), Pari – a unit of area equal to about 1 hectare * Quinaria * Tathe * Virgate Energy, etc. * Poncelet – unit of power * Sthène – unit of force * * Length * Ald (unit), Ald * Alen (unit of length), Al ...
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United States Mint
The United States Mint is a bureau of the United States Department of the Treasury, Department of the Treasury responsible for producing coinage for the United States to conduct its trade and commerce, as well as controlling the movement of bullion. The U.S. Mint is one of two U.S. agencies that manufactures physical money. The other is the Bureau of Engraving and Printing, which prints paper currency. The first United States Mint was created in Philadelphia in 1792, and soon joined by other centers, whose coins were identified by their own mint marks. There are currently four active coin-producing mints: Philadelphia Mint, Philadelphia, Denver Mint, Denver, San Francisco Mint, San Francisco, and West Point Mint, West Point. History The first authorization for the establishment of a mint in the United States was in a resolution of the Congress of the Confederation of February 21, 1782, and the first general-circulation coin of the United States, the Fugio Cent, Fugio cent, was p ...
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Penny (United States Coin)
The penny, officially known as the cent, is a coin in the United States representing one-hundredth of a dollar. It has been the lowest face-value physical unit of U.S. currency since the abolition of the half-cent in 1857 (the abstract mill, which has never been minted, equal to a tenth of a cent, continues to see limited use in the fields of taxation and finance). The U.S. Mint's official name for the coin is " cent" and the U.S. Treasury's official name is "one cent piece". The colloquial term ''penny'' derives from the British coin of the same name, which occupies a similar place in the British system. ''Pennies'' is the plural form (not to be confused with ''pence'', which refers to the unit of currency). The first U.S. cent was produced in 1787, and the cent has been issued primarily as a copper or copper-plated coin throughout its history. In 1792, Congress established the US Mint, which began producing coins. In the same year, the Coinage Act of 1792 mand ...
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Oxford English Dictionary
The ''Oxford English Dictionary'' (''OED'') is the principal historical dictionary of the English language, published by Oxford University Press (OUP), a University of Oxford publishing house. The dictionary, which published its first edition in 1884, traces the historical development of the English language, providing a comprehensive resource to scholars and academic researchers, and provides ongoing descriptions of English language usage in its variations around the world. In 1857, work first began on the dictionary, though the first edition was not published until 1884. It began to be published in unbound Serial (literature), fascicles as work continued on the project, under the name of ''A New English Dictionary on Historical Principles; Founded Mainly on the Materials Collected by The Philological Society''. In 1895, the title ''The Oxford English Dictionary'' was first used unofficially on the covers of the series, and in 1928 the full dictionary was republished in 10 b ...
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England
England is a Countries of the United Kingdom, country that is part of the United Kingdom. It is located on the island of Great Britain, of which it covers about 62%, and List of islands of England, more than 100 smaller adjacent islands. It shares Anglo-Scottish border, a land border with Scotland to the north and England–Wales border, another land border with Wales to the west, and is otherwise surrounded by the North Sea to the east, the English Channel to the south, the Celtic Sea to the south-west, and the Irish Sea to the west. Continental Europe lies to the south-east, and Ireland to the west. At the 2021 United Kingdom census, 2021 census, the population was 56,490,048. London is both List of urban areas in the United Kingdom, the largest city and the Capital city, capital. The area now called England was first inhabited by modern humans during the Upper Paleolithic. It takes its name from the Angles (tribe), Angles, a Germanic peoples, Germanic tribe who settled du ...
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Penny (unit)
In the United States, the length of a nail is designated by its penny size, written with a number and the abbreviation ''d'' for penny; for example, ''10d'' for a ten-penny nail. A larger number indicates a longer nail, shown in the table below. Diameter of the nail also varies based on penny size, depending on nail type. Nails under inch, often called brads, are sold mostly in small packages with only a length designation or with length and wire gauge designations; for example, ''1″ 18 ga.'' or ''″ 16 ga.'' Penny sizes originally referred to the price for a hundred (100) or long hundred (120) nails in England in the 15th century: the larger the nail, the higher the cost per long hundred. The system remained in use in England into the 20th century, but is obsolete there today. Nails are still designated in penny sizes in the United States. In Canada, nails are specified by the type and length and are still manufactured to Imperial dimensions. Nail diameter is specified by g ...
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Decimal Day
Decimal Day () in the United Kingdom and in Republic of Ireland, Ireland was Monday 15 February 1971, the day on which each country decimalised its respective £sd currency of pound sterling, pounds, Shilling (British coin), shillings, and penny, pence. Before this date, both the British pound sterling and the Irish pound (symbol "£") were subdivided into 20 shillings, each of 12 (old) pence, a total of 240 pence. With decimalisation, the pound kept its old value and name in each currency, but the shilling was abolished, and the pound was divided into 100 new pence (abbreviated to "p"). In the UK, the new coins initially featured the word “new”, but in due course this was dropped. Each new penny was worth 2.4 old pence ("d.") in each currency. Coins of half a new penny were introduced halfpenny (British decimal coin) , in the UK and Halfpenny (Irish decimal coin), in Ireland to maintain the approximate granularity of the old penny, but these were dropped in the UK in ...
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