A compass, more accurately known as a pair of compasses, is a technical drawing instrument that can be used for inscribing circles or arcs.As dividers, it can also be used as a tool to mark out distances, in particular, on maps.Compasses can be used for mathematics, drafting, navigation and other purposes.. Prior to computerization, compasses and other tools for manual drafting …

The classic François Louis Ganshof version of feudalism describes a set of reciprocal legal and military obligations which existed among the warrior nobility, revolving around the three key concepts of lords, vassals and fiefs. In broad terms a lord was a noble who held land, a vassal was a person who was granted possession of the land by the lord, and the land was known as …

A spline consists of a long strip fixed in position at a number of points whose tension creates a smooth curve passing through those points, for the purpose of transferring that curve to another material.. Before computers were used for creating engineering designs, drafting tools were employed by designers drawing by hand. To draw curves, especially for shipbuilding, …

Drawing is a form of visual art in which an artist uses instruments to mark paper or other two-dimensional surface. Drawing instruments include graphite pencils, pen and ink, various kinds of paints, inked brushes, colored pencils, crayons, charcoal, chalk, pastels, erasers, markers, styluses, and metals (such as silverpoint).Digital drawing is the act of drawing on graphics …

The compass is used to draw arcs and circles. A drawing board was used to hold the drawing media in place; later boards included drafting machines that sped the layout of straight lines and angles. Tools such as templates and lettering guides assisted in the drawing of repetitive elements such as circles, ellipses, schematic symbols and text.

Nov 23, 2022 · Résidence officielle des rois de France, le château de Versailles et ses jardins comptent parmi les plus illustres monuments du patrimoine mondial et constituent la plus complète réalisation de l’art français du XVIIe siècle.

The Song dynasty (; Chinese: 宋朝; pinyin: Sòng cháo; 960–1279) was an imperial dynasty of China that began in 960 and lasted until 1279. The dynasty was founded by Emperor Taizu of Song following his usurpation of the throne of the Later Zhou.The Song conquered the rest of the Ten Kingdoms, ending the Five Dynasties and Ten Kingdoms period.The Song often came into …

A technical pen is a specialized instrument used by an engineer, architect, or drafter to make lines of constant width for architectural, engineering, or technical drawings."Rapidograph" is a trademarked name for one type of technical pen.Technical pens use either a refillable ink reservoir (Isograph version) or a replaceable ink cartridge.

Language is a structured system of communication.The structure of a language is its grammar and the free components are its vocabulary.Languages are the primary means of communication of humans, and can be conveyed through spoken, sign, or written language.Many languages, including the most widely-spoken ones, have writing systems that enable sounds or signs to be …

Cotton is a soft, fluffy staple fiber that grows in a boll, or protective case, around the seeds of the cotton plants of the genus Gossypium in the mallow family Malvaceae.The fiber is almost pure cellulose, and can contain minor percentages of waxes, fats, pectins, and water.Under natural conditions, the cotton bolls will increase the dispersal of the seeds.