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Trefoil Knot Arb
A trefoil () is a graphic form composed of the outline of three overlapping rings, used in architecture and Christian symbolism, among other areas. The term is also applied to other symbols with a threefold shape. A similar shape with four rings is called a quatrefoil. Architecture Ornamentation 'Trefoil' is a term in Gothic architecture given to the ornamental foliation or cusping introduced in the heads of window-lights, tracery, and panellings, in which the centre takes the form of a three-lobed leaf (formed from three partially overlapping circles). One of the earliest examples is in the plate tracery at Winchester Cathedral (1222–1235). The fourfold version of an architectural trefoil is a quatrefoil. A simple trefoil shape in itself can be symbolic of the Trinity, while a trefoil combined with an equilateral triangle was also a moderately common symbol of the Christian Trinity during the late Middle Ages in some parts of Europe, similar to a barbed quatrefoil. Two for ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Clover
Clover or trefoil are common names for plants of the genus ''Trifolium'' (from Latin ''tres'' 'three' + ''folium'' 'leaf'), consisting of about 300 species of flowering plants in the legume or pea family Fabaceae originating in Europe. The genus has a cosmopolitan distribution with highest diversity in the temperate Northern Hemisphere, but many species also occur in South America and Africa, including at high altitudes on mountains in the tropics. They are small annual, biennial, or short-lived perennial herbaceous plants, typically growing up to 30 cm tall. The leaves are trifoliate (rarely quatrefoiled; see four-leaf clover), monofoil, bifoil, cinquefoil, hexafoil, septfoil, etcetera, with stipules adnate to the leaf-stalk, and heads or dense spikes of small red, purple, white, or yellow flowers; the small, few-seeded pods are enclosed in the calyx. Other closely related genera often called clovers include ''Melilotus'' (sweet clover) and '' Medicago'' ( alfalfa or Calva ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Foil (architecture)
A foil is an architectural device based on a symmetrical rendering of leaf shapes, defined by overlapping circles of the same diameter that produce a series of cusps to make a lobe. Typically, the number of cusps can be three (trefoil), four (quatrefoil), five (cinquefoil), or a larger number (multifoil).Pevsner, Nikolaus; Harris, John: ''The Buildings of England: Lincolnshire'', Penguin (1964); revised by Nicholas Antram (1989), Yale University Press, p. 726. Foil motifs may be used as part of the heads and tracery of window lights, complete windows themselves, the underside of arches, in heraldry, within panelling, and as part of any decorative or ornament device. Foil types are commonly found in Gothic and Islamic Islam (; ar, ۘالِإسلَام, , ) is an Abrahamic monotheistic religion centred primarily around the Quran, a religious text considered by Muslims to be the direct word of God (or '' Allah'') as it was revealed to Muhammad, the mai ... archi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Fleur-de-lis
The fleur-de-lis, also spelled fleur-de-lys (plural ''fleurs-de-lis'' or ''fleurs-de-lys''), is a lily (in French, and mean 'flower' and 'lily' respectively) that is used as a decorative design or symbol. The fleur-de-lis has been used in the heraldry of numerous European nations, but is particularly associated with France, notably during its monarchical period. The fleur-de-lis became "at one and the same time, religious, political, dynastic, artistic, emblematic, and symbolic," especially in French heraldry. The fleur-de-lis has been used by French royalty and throughout history to represent saints of France. In particular, the Virgin Mary and Saint Joseph are often depicted with a lily. The fleur-de-lis is represented in Unicode at in the Miscellaneous Symbols block. Origin The ''fleur de lis'' is widely thought to be a stylized version of the species ''Iris pseudacorus'', or ''Iris florentina''.Stefan Buczacki However, the lily (genus lilium, family Liliaceae) and the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Adidas Originals
Adidas Originals (often stylized as adidas Originals) is a brand of a line of casual and sportswear created by German multinational corporation Adidas. It consists of a heritage line, specializing in athletic shoes, t-shirts, jackets, bags, sunglasses and other accessories. The clothing and the accessories are under such categories as Superstar and Adicolor, designed by Adidas itself. There was also a collection named "Originals Denim" by Diesel, a concept trialled in New York City and Berlin. History The famous ''Trefoil'' logo, formerly used on all Adidas products, has since 1997 been applied only to heritage products; the ''Performance'' logo, which had from 1991 been seen on the "Equipment" range of products, replaced the Trefoil in 1997 across the rest of the Adidas line. Adidas Originals covers sports fashion styles with references to the decades between the 1940s and the 1990s. The brand has a distinctively retro old school feel. An extensive campaign was launched in ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Girl Guiding And Girl Scouting
A Girl Guide or Girl Scout is a member of a section of some Guiding organisations who is between the ages of 10 and 14. Age limits are different in each organisation. The term Girl Scout is used in the United States and several East Asian countries. The two terms are used synonymously within this article. Girl Guides are organised into units/troops averaging 15–30 girls under guidance of a team of leaders. Units subdivide into patrols of about six Guides and engage in outdoor and special interest activities. Units may affiliate with national and international organisations. Some units, especially in Europe, have been co-educational since the 1970s, allowing boys and girls to work together as Scouts. There are other programme sections for older and younger girls. Foundation Following the origin of the Boy Scouts in 1907 many girls took up Scouting. A group of Girl Scouts were prominent at the Crystal Palace Rally in 1909. After Robert Baden-Powell formed The Boy Scouts A ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
VHF Omnidirectional Range
Very high frequency omnirange station (VOR) is a type of short-range radio navigation system for aircraft, enabling aircraft with a receiving unit to determine its position and stay on course by receiving radio signals transmitted by a network of fixed ground radio beacons. It uses frequencies in the very high frequency (VHF) band from 108.00 to 117.95 MHz. Developed in the United States beginning in 1937 and deployed by 1946, VOR became the standard air navigational system in the world,VOR VHF omnidirectional Range , Aviation Tutorial – Radio Navaids, kispo.net used by both commercial and general aviation, until supplanted by satellite navigation systems such as in th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Fallout Shelter
A fallout shelter is an enclosed space specially designated to protect occupants from radioactive debris or fallout resulting from a nuclear explosion. Many such shelters were constructed as civil defense measures during the Cold War. During a nuclear explosion, matter vaporized in the resulting fireball is exposed to neutrons from the explosion, absorbs them, and becomes radioactive. When this material condenses in the rain, it forms dust and light sandy materials that resemble ground pumice. The fallout emits Alpha particle, alpha and beta particles, as well as gamma rays. Much of this highly radioactive material falls to Earth, subjecting anything within the line of sight to radiation, becoming a significant radioactive contamination, hazard. A fallout shelter is designed to allow its occupants to minimize exposure to harmful fallout until radioactivity has Radioactive decay, decayed to a safer level. History North America During the Cold War, many countries built f ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hazard Symbol
Hazard symbols or warning symbols are recognisable symbols designed to warn about hazardous or dangerous materials, locations, or objects, including electric currents, poisons, and radioactivity. The use of hazard symbols is often regulated by law and directed by standards organizations. Hazard symbols may appear with different colors, backgrounds, borders, and supplemental information in order to specify the type of hazard and the level of threat (for example, toxicity classes). Warning symbols are used in many places in lieu of or addition to written warnings as they are quickly recognized (faster than reading a written warning) and more commonly understood (the same symbol can be recognized as having the same meaning to speakers of different languages). List of common symbols Tape with yellow and black diagonal stripes is commonly used as a generic hazard warning. This can be in the form of barricade tape, or as a self-adhesive tape for marking floor areas and the like ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Recycling Symbol
The universal recycling symbol ( or in Unicode) is internationally recognized for symbol for recycling activity. The symbol's creation originates on the first Earth Day in 1970, where the logo depicted is a Möbius strip. The public domain status of the symbol has been challenged before, but attempts have been unsuccessful. Many variations on the logo had been created since its creation. History Worldwide attention to environmental issues led to the first Earth Day in 1970. Container Corporation of America, a large producer of recycled paperboard, sponsored a contest for art and design students at high schools and colleges across the country to raise awareness of environmental issues. It was won by Gary Anderson (designer), Gary Anderson, then a 23-year-old college student at the University of Southern California, whose entry was the image now known as the universal recycling symbol. The symbol is not trademarked and is in the public domain. The public-domain status of the symb ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Balkenkreuz
The ''Balkenkreuz'' () is a straight-armed cross that was first introduced in 1916–1918 and later became the emblem of the ''Wehrmacht'' (German Armed Forces) and its branches from 1935 until the end of World War II. It was used by the '' Wehrmacht Heer'' (Army), ''Luftwaffe'' (Air Force), and '' Kriegsmarine'' (Navy). History Germany's ''Luftstreitkräfte'' (the army air service of the German Imperial Army) first officially adopted the ''Balkenkreuz'' in mid-April 1918 (about a week before the death of Manfred von Richthofen), and used it from that time until World War I ended in November 1918. The IdFlieg directive of 20 March 1918 to all manufacturers states in the first sentence (translated to English): "To improve the recognition of our aircraft, the following is ordered: ... In paragraph 2, the second sentence specifies: "This alteration is to be carried out by 15 April 1918." The closing sentence reads: "Order 41390 is to be speedily executed." Its use resumed, with ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Croatian Air Force Legion
The Croatian Air Force Legion ( hr, Hrvatska Zrakoplovna Legija), or HZL, was a unit of the Luftwaffe, composed entirely of volunteers drawn from the nazi puppet-state, the Independent State of Croatia. Many of them had previously served in the Royal Yugoslav Air Force in April 1941 during the Nazi Invasion of Yugoslavia. The legion fought on the Eastern Front (World War II), Eastern Front between 1941–1943 during the Second World War. The unit was sent to Germany for training on 15 July 1941, the fighter group to Fürth near Nüremberg and the bomber group to Greifswald, before heading to the Eastern Front. Some of them also had experience in the two main types that they would operate, the Messerschmitt Bf 109 and Dornier Do 17, with two fighter pilots having actually shot down Luftwaffe aircraft.Ciglic and Savic 2002 The Legion's first commander was ''Obertsleutnant'' Ivan Mrak. During operations over the Eastern Front, the unit's fighters scored a total of 283 kills whil ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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