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• Hectograph
  ...ll available. Various other inks have been found usable to varying degrees in the process; master sheets for spirit duplicators have also been pressed in ...o do so. Care needed to be taken that the gelatin surface was kept clean, and not damaged by one's fingernails during duplicating.
  5 KB (808 words) - 18:22, 20 June 2010
• Hydroelectric
  ...argest hydroelectric power stations|largest hydro-electric power station]] in the world]] ...tics database</ref> This was approximately 20% of the world's electricity, and accounted for about 88% of electricity from renewable sources.<ref name="RE
  39 KB (5,447 words) - 23:02, 2 July 2010
• Mercury (element)
  ...name="Norrby" /> the others being [[caesium]], [[francium]], [[gallium]], and [[rubidium]]. ...mercuric sulfide]]), which is the source of the red pigment [[vermilion]], and is mostly obtained by reduction from cinnabar. Cinnabar is highly toxic by
  69 KB (10,077 words) - 21:35, 20 September 2010
• Aconitum
  ...iefly natives of the mountainous parts of the northern hemisphere, growing in moisture retentive but well draining [[soil]]s on mountain meadows. Their [ ...apex, containing the [[nectar (plant)|nectar]]. The other petals are small and scale like or non forming. The 3–5 [[carpel]]s are partially fused at th
  29 KB (4,043 words) - 12:26, 7 July 2010
• Encyclopædia Britannica Eleventh Edition
  ...alue and interest to modern scholars as [[cultural artifact]]s of the 19th and early 20th centuries. ...g methods also assisted sales. Some 11% of the contributors were American, and a New York office was established to run that side of the enterprise.{{Cita
  27 KB (3,441 words) - 13:31, 19 September 2010
• Propædia
  ...ropædia'' also has several appendices listing the staff members, advisors and contributors to all three parts of the ''Britannica''. ...dia'' serves as an expanded Table of Contents for the ''[[Micropædia]]'' and ''[[Macropædia]]''; according to its designer, [[Mortimer J. Adler]], all
  41 KB (5,585 words) - 13:32, 19 September 2010
• History of the Encyclopædia Britannica
  ...spin-off" products to leverage its reputation as a reliable reference work and educational tool. ...lopedias; for example, the failed two-volume ''A Universal History of Arts and Sciences'' of [[Dennis de Coetlogon]] (published 1745) grouped its topics i
  61 KB (8,890 words) - 13:32, 19 September 2010
• Aramid
  ...name is a shortened form of "[[aromatic]] [[polyamide]]". They are fibers in which the chain molecules are highly oriented along the fiber axis, so the ...O Group (China) under the trade name [[X-Fiper]], a variant of meta-aramid in France by Kermel under the tradename Kermel.
  10 KB (1,313 words) - 10:07, 20 September 2010
• Paper
  ...pically [[cellulose]] pulp derived from [[wood]], [[rags]] or [[grass]]es, and drying them into flexible sheets. ...sses, and occasionally as a [[Edible paper|food ingredient]], particularly in Asian cultures.
  21 KB (3,131 words) - 10:08, 20 September 2010
• Petroleum
  ...roleum'' was first used in the treatise ''De Natura Fossilium'', published in 1546 by the [[Germany|German]] mineralogist [[Georg Bauer]], also known as ...tion which is gas or liquid varies depending on the subsurface conditions, and on the [[phase diagram]] of the petroleum mixture.<ref name="Hyne 2001">Hyn
  69 KB (9,885 words) - 10:12, 20 September 2010
• Asphalt
  ...extremely large".<ref name="Quddus99">Muhammad Abdul Quddus (1992), p.99, in ch.5 pdf</ref> In [[American English]], asphalt (or asphalt cement) is the carefully refined
  34 KB (5,036 words) - 21:35, 20 September 2010
• Metal
  ...nd [[heat]] and forms [[cations]] and [[ionic bonds]] with [[non-metal]]s. In [[chemistry]], a '''metal''' (from [[Greek language|Greek]] "μέταλλο ...solid thus produced is held by electrostatic interactions between the ions and the electron cloud, which are called [[metallic bond]]s.<ref name="morty">{
  24 KB (3,311 words) - 10:13, 20 September 2010
• Depleted uranium
  ...}}</ref> In the past, DU has been called '''Q-metal''', '''depletalloy''', and '''D-38'''. ...s. Military uses include defensive armor plating and [[Armor-piercing shot and shell|armor-piercing]] [[projectiles]].
  80 KB (11,721 words) - 10:13, 20 September 2010
• Metallurgy
  ...ich science is applied to their practical use. Metallurgy is commonly used in the [[craft]] of [[metalworking]]. ...bian America|Metallurgy in pre-Columbian Mesoamerica|History of metallurgy in the Indian subcontinent}}
  14 KB (1,922 words) - 10:13, 20 September 2010
• Refractory metals
  ...="#90FF00"|[[Ruthenium|Ru]]||bgcolor="#90FF00"|[[Rhodium|Rh]]||Pd||Ag||Cd||In||Sn||Sb||Te||I ||Xe ...scription#description | title = International Journal of Refractory Metals and Hard Materials | publisher = Elsevier| accessdate = 2010-02-07}}</ref>
  25 KB (3,519 words) - 10:13, 20 September 2010
• Sugar
  ...prevention, diagnosis and treatment of dental caries: scientific advances in the United States|journal = J Am Dent Assoc|volume = 140|pages = 25S–34S|
  21 KB (2,875 words) - 10:14, 20 September 2010
• Gunpowder
  ...b|right|Black powder for [[muzzleloader|muzzleloading]] rifles and pistols in FFFG granulation size. [[Quarter (United States coin)|Coin]] (diameter 24 m ...ern firearms do not use the traditional gunpowder (black powder) described in this article, but instead use [[smokeless powder]]. [[Antique]] firearms or
  51 KB (7,447 words) - 10:15, 20 September 2010
• Textile
  ...nyms for ''textile''. However, there are subtle differences in these terms in specialized usage. ''Textile'' refers to any material made of interlacing f {{Main|History of clothing and textiles}}
  21 KB (3,073 words) - 10:16, 20 September 2010
• History of clothing and textiles
  ...original by artist [[Zhang Xuan]]), illustrates silk fabric manufacture in China.]] ...]]s, production [[tool]]s and techniques, [[culture|cultural]] influences, and [[social]] significance.
  36 KB (5,348 words) - 10:16, 20 September 2010
• Textiles of Mexico
  [[File:RuginProgressTeotitlan.JPG|thumb|300px|Rug in progress in Teotitlan del Valle, Oaxaca]] ...es also changed radically. Fabric was produced exclusively in workshops or in the home until the era of [[Porfirio Díaz]] (1880s to 1910), when the mech
  42 KB (6,562 words) - 10:16, 20 September 2010

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