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Topic: Troy system of mass

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	CONK! Encyclopedia: Troy_weight (Site not responding. Last check: 2007-10-16)
		Troy weight is a system of units of mass customarily used for precious metals and gemstones.
		The troy ounce is the only ounce used in the pricing of precious metals, such as gold and silver, and this is the only remaining use of the troy ounce.
		In troy weight, there are 12 ounces in a pound, rather than 16 in the more-common avoirdupois system.
	www.conk.com /search/encyclopedia.cgi?q=Troy_weight (170 words)

	Ounce. Who is Ounce? What is Ounce? Where is Ounce? Definition of Ounce. Meaning of Ounce.
		The ounce is the name for a number of different units of mass (oz), and, confusingly, fluid volume (fl oz).
		troy ounce defined by the troy system of mass.
		In troy weight, unlike the more common avoirdupois system, there are 12 ounces in a pound, rather than 16, and a troy pound is 5760 grains (approx.
	www.knowledgerush.com /kr/encyclopedia/Ounce (182 words)

	Ounce - Wikipedia, the free encyclopedia
		The ounce is the name for a number of different units of mass (oz), and also of two units of fluid volume (fl oz) and of one unit of force, the ounce-force (ozf).
		The ounce-force (see pound-force) is the force exerted by a mass of 1 oz avoirdupois at the standard acceleration of gravity, usually borrowing the value which is official for defining kilograms-force, 9.80665 m/s².
		The Dutch term ons is a unit of mass that is considerably more, 100 g, a redefinition adopted with the introduction of the metric system together with a redefinition of the Dutch pond as 1 kg.
	www.wikipedia.org /wiki/Ounce (340 words)

	Pound article - Pound units mass Origins Measurement systems Pound (avoirdupois) international - What-Means.com (Site not responding. Last check: 2007-10-16)
		A pound (troy) is a unit of mass in the U.S. Canada, and UK.
		It is part of the troy system of mass units.
		The pound, a unit of mass, should not be confused with the pound-force, a unit of force or weight.
	www.what-means.com /encyclopedia/Pound (567 words)

	Troy weight - Open Encyclopedia (Site not responding. Last check: 2007-10-16)
		It derives from the troy system of mass, which dates back to before the time of William the Conqueror.
		A grain is exactly 64.798 91 mg, hence one troy ounce is exactly 31.103 476 8 g, about 10 per cent more than the avoirdupois ounce, which is about 28.3 g.
		The use of troy weight for precious metals provides the technical curiosity that an ounce of gold weighs has more mass than an ounce of feathers, but a pound of gold has less mass less than a pound of feathers.
	www.open-encyclopedia.com /Troy_pound (217 words)

	Apothecaries' system - Wikipedia, the free encyclopedia
		The apothecaries' system of mass is an obsolete system formerly used by apothecaries (now called pharmacists or chemists) in English-speaking countries.
		The system was closely related to the troy system of mass, having identically sized pounds and ounces, but the two systems differed in how the ounce was subdivided.
		After the introduction of the imperial gallon (1824), some English apothecaries started using a system of volume that was closely related to the system of mass, taking advantage of the approximate equivalence of weight and volume of water and similar fluids with equal-named units.
	en.wikipedia.org /wiki/Apothecaries%27_system_of_mass (161 words)

	Pound. Who is Pound? What is Pound? Where is Pound? Definition of Pound. Meaning of Pound.
		The pound is the name for at least three different units of mass: the pound (avoirdupois), the troy pound, and the obsolete imperial pound.
		The pound or its translation is used in many countries that use the metric system as an unofficial term for a half kilogram (500 grams).
		If neither "avoirdupois" nor "troy" is specified, the international pound (avoirdupois) is meant and is by law the only proper definition in the U.S., U.K., and Canada; the troy pound has been officially abandoned in the UK.
	www.knowledgerush.com /kr/encyclopedia/Pound (646 words)

	troy weight (Site not responding. Last check: 2007-10-16)
		Troy weight is a system of unitss of mass customarily used for precious metals and gemstones.
		A troy ounce is 480 grains, somewhat heavier than an avoirdupois ounce (437.5 grains).
		A grain is defined to be exactly 64.79891 milligrams, hence 1 troy ounce is exactly 31.1034768 grams, about 10% more than the avoirdupois ounce, which is about 28.3 g.
	www.yourencyclopedia.net /troy_weight.html (233 words)

	Ounce - Open Encyclopedia (Site not responding. Last check: 2007-10-16)
		In troy weight, there are 12 ounces in a pound, and a troy pound is 5760 grains (about 373.24 g), rather than 7000 (about 453.59 g).
		apothecaries' ounce defined by the now-obsolete apothecaries' system of mass.
		This ounce was the same size as the troy ounce, and its symbol was ℥.
	www.open-encyclopedia.com /Ounce (221 words)

	Pound biography .ms (Site not responding. Last check: 2007-10-16)
		But because the foot-pound-second system is no longer used in science (and is gradually approaching extinction even in U.S. engineering work), many scientists today would be as bemused by this question as by the question of whether the shekel is a unit of mass or of force.
		The difference between the two variants of the fps system is that the first one uses the slug as its unit of mass, while the second one uses the pound.
		Although the U.S. National Bureau of Standards[2] has defined the pound as a unit of mass, and the pound-force as a unit of force, this distinction is not widely recognized among working physicists, because the fps system has not been used in physics, even in the U.S., since the early 20th century.
	pound.biography.ms (1153 words)

	Pound (Site not responding. Last check: 2007-10-16)
		In the Imperial system (often referred to as the pound-inch system, or the British system in the United States) there are two basic pounds defined, and also an obsolete definition of one variant of the pound.
		In many countries that use the SI or metric system, the pound (or its translation, for example, the German Pfund, the French livre, or the Dutch pond) is used as an informal term for half of a kilogram, therefore for this case the pound is 500 grams.
		Over time, the various keepers of the standards redefinedpounds in terms of the metric system (which has happened in case of the avoirdupois and troy pounds as well as the metric pounds), they were defined in terms of the kilogram, not the dyne or the newton.
	www.free-download-soft.com /info/pound.html (1313 words)

	Pound - Wikipedia, the free encyclopedia (Site not responding. Last check: 2007-10-16)
		In the Imperial system (often referred to as the pound-inch system, or the English system in the United States) there are two basic pounds defined, and also an obsolete definition of one variant of the pound.
		This relationship between avoirdupois pounds and troy grains has held true since the avoirdupois pound was redefined in terms of the troy units in the reign of Henry VIII, abandoning independent standards which had been measured as about 7002 grains troy.
		But because the foot-pound-second systems are no longer used in science (and are gradually approaching extinction even in U.S. engineering work), many scientists today would be as bemused by this question as by the question of whether the shekel is a unit of mass or of force.
	www.bucyrus.us /project/wikipedia/index.php/Pound (1864 words)

	Mass
		The Troy and apothecary systems were designed for precious metals, gemstones, and medicines all weighing less than one Troy pound (5760 grains; 12 Troy ounces; about 373 g).
		The developers of the metric system of mass had two goals: (1) to have one system that covers all ranges of mass (unlike the Troy and avoirdupois systems used in imperial) and (2) integrate mass into the metric systems of length and volume to form one cohesive system.
		One kilogram was equal to 1 litre (1 cubic decimetre) of pure water at 4°C. In 1901 the kilogram was finally defined as the unit of mass equal to the mass of the international platinum-iridium prototype of the kilogram.
	members.shaw.ca /gw.peterson/mass.html (562 words)

	Ounce -- Facts, Info, and Encyclopedia article (Site not responding. Last check: 2007-10-16)
		The avoirdupois ounce is approximately 28.35 (A metric unit of weight equal to one thousandth of a kilogram) grams.
		troy ounce defined by the (Click link for more info and facts about troy system of mass) troy system of mass.
		The (The West Germanic language of the Netherlands) Dutch term ons is a unit of mass that is considerably more, 100 g, a redefinition adopted with the introduction of the metric system together with a redefinition of the Dutch pond as 1 kg.
	www.absoluteastronomy.com /encyclopedia/o/ou/ounce.htm (412 words)

	Weight vs. Mass; What's the Difference?
		The magnitudes of the measurements of mass and force may be the same, within the limits of the precision of the measurement, at some places on earth if the mass is measured in pounds mass and the force is measured in pounds force, for example.
		The systems above also have variants depending on whether the units and formulas are rationalized or not, or with various options for other quantities such as the cgs electrostatic units or electromagnetic units or Gaussian units (a combination of esu and emu).
		Some fps "systems" might include units such as horsepower or various gallons, in which case the units are not all "coherent" in the technical sense used in metrology.
	ourworld.compuserve.com /homepages/Gene_Nygaard/weight.htm (4527 words)

	English System
		Grain, the unit of the English system of weights; -- so called because it was equal to the average of grains taken from the middle of the ears of wheat.
		Troy weight, the weight which gold and silver, jewels, and the like, are weighed.
		The troy ounce is supposed to have been brought from Cairo during the crusades.
	www.hypertextbook.com /physics/foundations/system-english (1358 words)

	Units: T
		Large masses are often stated as multiples of the tonne, although technically the SI requires that masses be stated as multiples of the gram.
		The origin of the troy system is not clear, but a number of scholars believe the dram corresponds to the denarius, a Roman coin that weighed about 60 English grains and (when used as a weight) was also divided into 3 scruples.
		The troy system was always the theoretical basis of the traditional English monetary system, in which there were 12 pence (pennies) to the shilling and 20 shillings to the pound.
	www.unc.edu /~rowlett/units/dictT.html (6743 words)

	The MSDS HyperGlossary: Mass Unit Conversions
		For example, an astronaut would be almost weightless in outer space, but his or her mass would be unchanged from that on Earth.
		The system of having 16 ounces in a pound is called the avoirdupois system.
		An ounce is a unit of weight that is not equal to a fluid ounce which is a measure of volume.
	www.ilpi.com /msds/ref/massunits.html (838 words)

	Identification of sample component using a mass sensor system (US6289287)
		The method performs a mass correlation analysis with the selected masses to determine at least three correlated masses.
		A comparison of the three correlated masses is made to a library of mass spectra to identify at least one candidate that is potentially indicative of the anomalous sample.
		comparing each of the three correlated masses to mass spectra in a mass spectra library so as to identify at least one candidate mass spectrum that is associated with the correlated masses and which is potentially indicative of a respective anomalous sample component;
	www.delphion.com /details?pn=US06289287__ (719 words)

	MASS MoCA \| Past Exhibitions \| 2000 (Site not responding. Last check: 2007-10-16)
		Her projects and those with an artists' collective called the Bureau of Inverse Technology have consisted of creating devices and situations for the purpose of gathering overlooked facts.
		Ali's comic book-like figures, genderless with bulbous green heads and a variety of pared down uniforms, are depicted in the midst of mysterious unfolding dramas.
		In the middle of the drawing, rhythmic orange lines pour into the river's dark waters from a large spigot, eventually transforming the river into a bright orange field.
	www.massmoca.org /visual_arts/past_exhibitions/visual_arts_past_2000.html (2455 words)

	Troy Weight (Site not responding. Last check: 2007-10-16)
		Frankly, I'm scared to death of becoming pregnant because of Troy's feelings about weight.
		touchdown-saver when he came from the far side of the field to knock Troy Brown out of...
		A grain is defined to be exactly 64.79891 milligrams, hence 1 troy ounce is exactly 31.1034768 gramss, about 10% more than the avoirdupois ounce, which is about 28.3 g.
	www.wikiverse.org /troy-weight (310 words)

	Units of Measurement
		There are two systems for land measurement (one based on the yard and the other on the rod) and a third system for distances at sea.
		There are two systems (avoirdupois and troy) for small weights and two more (based on the long and short tons) for large weights.
		Americans use two systems for volumes (one for dry commodities and one for liquids) and the British use a third (British Imperial Measure).
	www.unc.edu /~rowlett/units (864 words)

	Troy ounce
		The troy ounce is the traditional unit of mass for precious metals.
		Its name is thought to derive from the town of Troyes in France.
		1 troy ounce is defined as exactly 480 grains, where 1 grain is exactly 64.79891 milligrams, hence 1 troy ounce is exactly 31.1034768 grams.
	www.fastload.org /tr/Troy_ounce.html (148 words)

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