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Britannia Metal
Britannia metal (also called britannium, Britannia ware, or Vickers White Metal (Cite an Oscars.org )) is a specific type of pewter , favoured for its silvery appearance and smooth surface. The composition by weight is typically about 92–93% , 5–6% , and 2% |
Gold
Gold is a chemical element; it has chemical symbol Au (from Latin ) and atomic number 79. In its pure form, it is a brightness, bright, slightly orange-yellow, dense, soft, malleable, and ductile metal. Chemically, gold is a transition metal, a group 11 element, and one of the noble metals. It is one of the least reactivity (chemistry), reactive chemical elements, being the second-lowest in the reactivity series. It is solid under standard temperature and pressure, standard conditions. Gold often occurs in free elemental (native state (metallurgy), native state), as gold nugget, nuggets or grains, in rock (geology), rocks, vein (geology), veins, and alluvial deposits. It occurs in a solid solution series with the native element silver (as in electrum), naturally alloyed with other metals like copper and palladium, and mineral inclusions such as within pyrite. Less commonly, it occurs in minerals as gold compounds, often with tellurium (gold tellurides). Gold is resistant to ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tin Alloys
This is a list of named alloys grouped alphabetically by the metal with the highest percentage. Within these headings, the alloys are also grouped alphabetically. Some of the main alloying elements are optionally listed after the alloy names. Alloys by base metal Aluminium * AA-8000: used for electrical building wire in the U.S. per the National Electrical Code, replacing AA-1350. * Al–Li (2.45% lithium): aerospace applications, including the Space Shuttle * Alnico (nickel, cobalt): used for permanent magnets * Aluminium–Scandium (scandium) * Birmabright (magnesium, manganese): used in car bodies, mainly used by Land Rover cars. * Devarda's alloy (45% Al, 50% Cu, 5% Zn): chemical reducing agent. * Duralumin (copper) * Hiduminium or R.R. alloys (2% copper, iron, nickel): used in aircraft pistons * Hydronalium (up to 12% magnesium, 1% manganese): used in shipbuilding, resists seawater corrosion * Italma (3.5% magnesium, 0.3% manganese): formerly used to make coinage of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Fusible Alloys
Fusion, or synthesis, is the process of combining two or more distinct entities into a new whole. Fusion may also refer to: Science and technology Physics *Nuclear fusion, multiple atomic nuclei combining to form one or more different atomic nuclei and subatomic particles **Fusion power, power generation using controlled nuclear fusion reactions **Cold fusion, a hypothesized type of nuclear reaction that would occur at or near room temperature * Heat fusion, a welding process for joining two pieces of a thermoplastic material *Melting, or transitioning from solid to liquid form Biology and medicine * Binaural fusion, the cognitive process of combining the auditory information received by both ears * Binocular fusion, the cognitive process in binocular vision of combining the visual information received by both eyes * Cell fusion, a process in which several uninuclear cells combine to form a multinuclear cell * Gene fusion, a genetic event and molecular biology technique * Lipid ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Reed & Barton
Reed & Barton was a prominent American silversmith manufacturer based in the city of Taunton, Massachusetts, operating between 1824 and 2015. Its products include sterling silver and silverplate flatware. The company produced many varieties of britannia and silver products since Henry G. Reed and Charles E. Barton took over the failing works of Isaac Babbitt in Taunton. During the American Civil War, Reed & Barton produced a considerable quantity of weapons for Union Army soldiers and officers. History highlights Reed & Barton was originally founded as Babbitt & Crossman in Taunton, Massachusetts, in 1824. Babbitt & Crossman, which produced Britannia ware, was first owned by Isaac Babbitt. However, the company was slowly losing money, so the failing company was purchased by Henry G. Reed and business partner Charles E. Barton. In 1928, Reed & Barton merged with silversmith Dominick & Haff. Reed & Barton was chosen to design and produce the official gold, silver, and bronze ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Nickel Silver
Nickel silver, maillechort, German silver, argentan, new silver, nickel brass, albata, or alpacca is a cupronickel (copper with nickel) alloy with the addition of zinc. The usual formulation is 60% copper, 20% nickel and 20% zinc. Nickel silver does not contain the element silver. It is named for its silvery appearance, which can make it attractive as a cheaper and more durable substitute. It is also well suited for being plating, plated with silver. A naturally occurring ore composition in China was smelted into the alloy known as or () ('white copper' or cupronickel). The name ''German Silver'' refers to the artificial recreation of the natural ore composition by German metallurgists. All modern, commercially important, nickel silvers (such as those standardized under ASTM B122) contain zinc and are sometimes considered a subset of brass. History Nickel silver was first used in China, where it was smelting, smelted from readily available unprocessed ore. During the Qing dy ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
English Pewter
While the term pewter covers a range of tin-based alloys, the term English pewter has come to represent a strictly-controlled alloy, specified by BSEN611-1 and British Standard 5140, consisting mainly of tin (ideally 92%), with the balance made up of antimony and copper. Significantly, it is free of lead and nickel. Although the exact percentages vary between manufacturers, a typical standard for present-day pewter is approximately 91% tin, 7.5% antimony and 1.5% copper. By the 15th century, the Worshipful Company of Pewterers controlled pewter constituents in England. This company originally had two grades of pewter, but in the 16th century a third grade was added. The first type, known as "fine metal", was used for tableware. It consisted of tin with as much copper as it could absorb, which is about 1%. The second type, known as "trifling metal" or "trifle", was used for holloware. It is made up of fine metal with approximately 4% lead. The last type of pewter, known as " ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Britannia Silver
Britannia silver is an alloy of silver containing 11 ozt 10 dwt (i.e. 11½ troy oz.) silver in the pound troy, equivalent to , or 95.833% by weight (mass) silver, the rest usually being copper. This standard was introduced in England by Act of Parliament in 1697 to replace sterling silver (92.5% silver) as the obligatory standard for items of "wrought plate". The lion passant gardant hallmark denoting sterling was replaced with "the figure of a woman commonly called Britannia", and the leopard's head mark of the Worshipful Company of Goldsmiths (in London) replaced with a "lion's head erased". Britannia standard silver was introduced as part of the great recoinage scheme of William III from 1696, when attempts were made to limit the clipping and melting of sterling silver coinage. A higher standard for wrought plate meant that sterling silver coins could not easily be used as a source of raw material because additional fine silver, which was in short supply at the time, wo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Chinaware
Chinese ceramics are one of the most significant forms of Chinese art and ceramics globally. They range from construction materials such as bricks and tiles, to hand-built pottery vessels fired in bonfires or kilns, to the sophisticated Chinese porcelain wares made for the imperial court and for export. The oldest known pottery in the world was made during the Paleolithic at Xianrendong Cave, Jiangxi Province, China. Chinese ceramics show a continuous development since pre-dynastic times. Porcelain was a Chinese invention and is so identified with China that it is still called "china" in everyday English usage. Most later Chinese ceramics, even of the finest quality, were made on an industrial scale, thus few names of individual potters were recorded. Many of the most important kiln workshops were owned by or reserved for the emperor, and large quantities of Chinese export porcelain were exported as diplomatic gifts or for trade from an early date, initially to East Asia and ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
George Orwell
Eric Arthur Blair (25 June 1903 – 21 January 1950) was an English novelist, poet, essayist, journalist, and critic who wrote under the pen name of George Orwell. His work is characterised by lucid prose, social criticism, opposition to all totalitarianism (both authoritarian communism and fascism), and support of democratic socialism. Orwell is best known for his allegorical novella ''Animal Farm'' (1945) and the Utopian and dystopian fiction, dystopian novel ''Nineteen Eighty-Four'' (1949), although his works also encompass literary criticism, poetry, fiction and polemical journalism. His non-fiction works, including ''The Road to Wigan Pier'' (1937), documenting his experience of working-class life in the industrial north of England, and ''Homage to Catalonia'' (1938), an account of his experiences soldiering for the Republican faction (Spanish Civil War), Republican faction of the Spanish Civil War (1936–1939), are as critically respected as George Orwell bibliograph ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
A Nice Cup Of Tea
"A Nice Cup of Tea" is an essay by English author George Orwell, first published in the ''London Evening Standard'' on 12 January 1946. It is a discussion of the craft of making a cup of tea, including the line: "Here are my own eleven rules, every one of which I regard as golden.""How to make a perfect cuppa" BBC. Retrieved 30 December 2014 Orwell wrote that "tea is one of the mainstays of civilisation in this country and causes violent disputes over how it should be made", and his rules cover such matters as the best shape for a , the advisability of using water that is still |
88th Academy Awards
The 88th Academy Awards ceremony, presented by the Academy of Motion Picture Arts and Sciences (AMPAS), honored the best films of 2015 and took place on February 28, 2016, at the Dolby Theatre in Hollywood, Los Angeles, 5:30 p.m. PST. During the ceremony, AMPAS presented Academy Awards (commonly referred to as Oscars) in 24 categories. The ceremony, televised in the United States by ABC, was produced by David Hill and Reginald Hudlin and directed by Glenn Weiss. Actor Chris Rock hosted the show for the second time, having previously hosted the 77th ceremony held in 2005. In related events, the academy held its 7th Annual Governors Awards ceremony at the Grand Ballroom of the Hollywood and Highland Center on November 14, 2015. On February 13, 2016, in a ceremony at the Beverly Wilshire Hotel in Beverly Hills, California, the Academy Awards for Technical Achievement were presented by hosts Olivia Munn and Jason Segel. ''Spotlight'' won two awards, including Be ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
