Lateen Rig
A lateen (from French ''latine'', meaning "Latin") or latin-rig is a triangular sail set on a long Yard (sailing) , yard mounted at an angle on the mast (sailing) , mast, and running in a fore-and-aft direction. The Settee (sail), settee can be considered to be an associated type of the same overall category of sail. The lateen originated in the Mediterranean as early as the 2nd century AD, during Roman times, and became common there by the 5th century. The wider introduction of lateen rig at this time coincided with a reduction in the use of the Mediterranean square rig of the classical era. Since the performance of these two rigs is broadly similar, it is suggested that the change from one to the other was on cost grounds, since lateen rigs used fewer components and had less cordage to be replaced when it wore out. Arabs , Arab seafarers adopted the lateen rig at a later datethere is some limited archaeological evidence of lateen rig in the Indian Ocean in the 13th century AD ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |
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Byzantine Empire
The Byzantine Empire, also known as the Eastern Roman Empire, was the continuation of the Roman Empire centred on Constantinople during late antiquity and the Middle Ages. Having survived History of the Roman Empire, the events that caused the fall of the Western Roman Empire in the 5th centuryAD, it endured until the fall of Constantinople to the Ottoman Empire in 1453. The term 'Byzantine Empire' was coined only after its demise; its citizens used the term 'Roman Empire' and called themselves 'Romans'. During the early centuries of the Roman Empire, the western provinces were Romanization (cultural), Latinised, but the eastern parts kept their Hellenistic culture. Constantine the Great, Constantine I () legalised Christianity and moved the capital to Constantinople. Theodosius I, Theodosius I () made Christianity the state religion and Greek gradually replaced Latin for official use. The empire adopted a defensive strategy and, throughout its remaining history, expe ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |
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Islamic Art
Islamic art is a part of Islamic culture and encompasses the visual arts produced since the 7th century CE by people who lived within territories inhabited or ruled by Muslims, Muslim populations. Referring to characteristic traditions across a wide range of lands, periods, and genres, Islamic art is a concept used first by Western culture, Western Art history, art historians in the late 19th century. Public Islamic art is traditionally non-Representation (arts), representational, except for the widespread use of plant forms, usually in varieties of the spiralling Arabesque (Islamic art), arabesque. These are often combined with Islamic calligraphy, Islamic geometric patterns, geometric patterns in styles that are typically found in a wide variety of media, from small objects in ceramic or metalwork to large decorative schemes in tiling on the outside and inside of large buildings, including mosques. Other forms of Islamic art include Islamic miniature painting, artefacts like I ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |
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Copts
Copts (; ) are a Christians, Christian ethnoreligious group, ethnoreligious group native to Northeast Africa who have primarily inhabited the area of modern Egypt since antiquity. They are, like the broader Egyptians, Egyptian population, descended from the ancient Egyptians. Copts predominantly follow the Coptic Orthodox Church in Alexandria. They are the largest Christianity in Egypt, Christian denomination in Egypt and the Christianity in the Middle East, Middle East, as well as in Christianity in Sudan, Sudan and Christianity in Libya, Libya.Coptic Orthodox Church Listings for Libya, p. 136 Copts in Egypt, Copts account for roughly 5 to 15 percent of the Demographics of Egypt, population of Egypt. Originally referring to a ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |
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Crow's Nest
A crow's nest is a structure in the upper part of the main mast of a ship or a structure that is used as a lookout point. On ships, this position ensured the widest field of view for lookouts to spot approaching hazards, other ships, or land by using the naked eye or optical devices such as telescopes or binoculars. It should not be confused with the top, the platform in the upper part of each lower mast of a square-rigged sailing ship. History The form of crow's nest used by the ancient Greeks and Romans was the carchesium (, ''karkhḗsion''), named after a supposed similarity to a kind of ritual wine goblet. According to William Scoresby Jr., the crow's nest was invented in the 19th century by his father, William Scoresby Sr., a whaler and also an Arctic explorer. However, Scoresby Sr. may simply have made an improvement on existing designs. Crow's nests appear in Egyptian reliefs as early as 1200 BC and on eighth to seventh century BC representations of Phoenici ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |
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Mast (sailing)
The mast of a sailing vessel is a tall spar, or arrangement of spars, erected more or less vertically on the median line of a ship or boat. Its purposes include carrying sails, spars, and derricks, giving necessary height to a navigation light, look-out position, signal yard, control position, radio aerial, or signal lamp. Large ships have several masts, with the size and configuration depending on the style of ship. Nearly all sailing masts are guyed. Until the mid-19th century, all vessels' masts were made of wood formed from a single or several pieces of timber which typically consisted of the trunk of a conifer tree. From the 16th century, vessels were often built of a size requiring masts taller and thicker than from single tree trunks. On these larger vessels, to achieve the required height, the masts were built from up to four sections (also called masts). From lowest to highest, these were called: lower, top, topgallant, and royal masts. Giving the lower section ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |
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Rigging
Rigging comprises the system of ropes, cables and chains, which support and control a sailing ship or sail boat's masts and sails. ''Standing rigging'' is the fixed rigging that supports masts including shrouds and stays. ''Running rigging'' is rigging which adjusts the position of the vessel's sails and spars including halyards, braces, sheets and vangs. Etymology According to the Encyclopædia Britannica Eleventh Edition "rigging" derives from Anglo-Saxon ''wrigan'' or ''wringing'', "to clothe". The same source points out that "rigging" a sailing vessel refers to putting all the components in place to allow it to function, including the masts, spars, sails and the rigging. History Theophrastus in his '' History of Plants'' ( 300 BCE) states that the rigging on King Antigonus' fleet was made from papyrus reed. Types of rigging Rigging is divided into two classes, ''standing'', which supports the mast (and bowsprit), and ''running'', which controls the orienta ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |
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Harbour Of Eleutherios
The Harbour of Eleutherios (), originally known as the Harbour of Theodosius (, ) was one of the ports of ancient Constantinople, the capital of the Byzantine Empire, located beneath the modern Yenikapi neighbourhood of Istanbul, Turkey. It was built at the mouth of the Lycus watercourse that ran through the city to the Propontis (the Sea of Marmara). The harbour was built in the late 4th century, during the reign of Theodosius I, and was the city's major point of trade in Late Antiquity. It continued to be used until the 11th century. Silt from the Lycus creek eventually filled the harbour entirely and the area was later transformed for agricultural use due to the effects of upstream erosion and deposition. In Ottoman times, the area was built over. The harbour was located on the south side of the peninsula on which the city is built, on the shore of the Sea of Marmara. The other harbours on the southern coast of the city were the Harbour of Julian and the small harbour of ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |
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Graffito (archaeology)
A graffito (plural "graffiti"), in an archaeological context, is a deliberate mark made by scratching or engraving on a large surface such as a wall. The marks may form an image or writing. The term is not usually used for the engraved decoration on small objects such as bones, which make up a large part of the art of the Upper Paleolithic, but might be used for the engraved images, usually of animals, that are commonly found in caves, though much less well known than the cave paintings of the same period; often the two are found in the same caves. In archaeology, the term may or may not include the more common modern sense of an "unauthorized" addition to a building or monument. Sgraffito, a decorative technique of partially scratching off a top layer of plaster or some other material to reveal a differently colored material beneath, is also sometimes known as "graffito". Categories The basic categories of graffiti in archaeology are: *Written graffiti, or informal inscr ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |
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Iconography
Iconography, as a branch of art history, studies the identification, description and interpretation of the content of images: the subjects depicted, the particular compositions and details used to do so, and other elements that are distinct from artistic style. The word ''iconography'' comes from the Ancient Greek, Greek ("image") and ("to write" or ''to draw''). A secondary meaning (based on a non-standard translation of the Greek and Russian equivalent terms) is the production or study of the religious images, called "Icon, icons", in the Byzantine art, Byzantine and Eastern Orthodox Churches, Orthodox Christian tradition. This usage is mostly found in works translated from languages such as Greek or Russian, with the correct term being "icon painting". In art history, "an iconography" may also mean a particular depiction of a subject in terms of the content of the image, such as the number of figures used, their placing and gestures. The term is also used in many academic ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |
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Vandal Kingdom
The Vandal Kingdom () or Kingdom of the Vandals and Alans () was a confederation of Vandals and Alans, which was a barbarian kingdoms, barbarian kingdom established under Gaiseric, a Vandals, Vandalic warlord. It ruled parts of North Africa and the Mediterranean for 99 years from 435 to 534 AD. In 429 AD, the Vandals, estimated to number 80,000 people, had crossed by boat from Hispania to North Africa. They advanced eastward, conquering the coastal regions of what is now Tunisia, and Algeria. In 435, the Western Roman Empire, then ruling North Africa, allowed the Vandals to settle in the provinces of Numidia (Roman province), Numidia and Mauretania Caesariensis, Mauretania when it became clear that the Vandal army could not be defeated by Roman military forces. In 439, the Vandals renewed their advance eastward and captured Carthage, the most important city of North Africa. The fledgling kingdom then conquered the Roman-ruled islands of Mallorca, Sicily, Sardinia, and Corsica in th ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |
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Vandalic War
The Vandalic War (533–534) was a conflict fought in North Africa between the forces of the Byzantine Empire (also known as the Eastern Roman Empire) and the Germanic Vandal Kingdom. It was the first war of Emperor Justinian I's , wherein the Byzantines attempted to reassert Roman sovereignty over territory formerly controlled by the Western Roman Empire. The Vandals occupied Roman North Africa in the early 5th century and established an independent kingdom there. Under their king, Geiseric, the Vandal navy carried out pirate attacks across the Mediterranean, Sack of Rome (455), sacked Rome in 455, and defeated a Roman invasion in 468. After Geiseric's death in 477, relations with the Eastern Roman Empire were normalized, although tensions flared up occasionally due to the Vandals' adherence to Arianism and their persecution of the Nicene native population. In 530, a palace coup happened in Carthage due to a defeat against the Moorish Chieftain and war chief of the Frexes trib ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |