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Golomb ruler. Set of marks along a ruler such that no two pairs of marks are the same distance apart. Golomb ruler of order 4 and length 6. This ruler is both optimal and perfect. The perfect circular Golomb rulers (also called difference sets) with the specified order. (This preview should show multiple concentric circles.
Rulers come in two types according to the design of their edge. A ruler with a straight edge can be used with lead pencils and felt pens, whereas when a technical pen is used the edge must be grooved to prevent the spread of the ink. An architect's scale. A scale ruler is a scaled, three-edged ruler which has six different scales marked to its ...
The BVG Class A3 was a type of Kleinprofil train that was built after World War II.The smallest operationally mobile unit is the double-rail car, which consists of a control car (S-car) with a straight carriage number and a compressor car (K-car) with an odd car number.
The simplest form of set square is a triangular piece of transparent plastic (or formerly of polished wood) with the centre removed. More commonly the set square bears the markings of a ruler and a half circle protractor. The outer edges are typically bevelled. These set squares come in two usual forms, both right triangles: one with 90-45-45 ...
A variety of rulers A 2 m (6 ft 6 + 3 ⁄ 4 in) carpenter's rule Retractable flexible rule or tape measure A closeup of a steel ruler A ruler in combination with a letter scale. A ruler, sometimes called a rule, scale or a line gauge or meter stick, is an instrument used to make length measurements, whereby a length is read from a series of markings called "rules" along an edge of the device. [1]
al-Majmu' sharh al-Muhadhab (المجموع شرح المهذب), is a comprehensive manual of Islamic law according to the Shafi'i school has been edited with French translation by van den Bergh, 2 vols., Batavia (1882–1884), and published at Cairo (1888).
A ruler with two linear scales: the metric and imperial.It includes shorter minor graduations and longer major graduations. A graduation is a marking used to indicate points on a visual scale, which can be present on a container, a measuring device, or the axes of a line plot, usually one of many along a line or curve, each in the form of short line segments perpendicular to the line or curve.
Xerxes I. Xerxes I (/ ˈzɜːrkˌsiːz / ZURK-seez[2][a] c. 518 – August 465 BC), commonly known as Xerxes the Great, [4] was a Persian ruler who served as the fourth King of Kings of the Achaemenid Empire, reigning from 486 BC until his assassination in 465 BC. He was the son of Darius the Great and Atossa, a daughter of Cyrus the Great.