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18.96–22.56 in [10] 48.16–57.30 cm [10] Ris: ריס stadium: 421.3–501.3 ft 128.4–152.8 m A ris is 2 ⁄ 15, or about 0.13, of a mil. According to Rashi (Baba Kama 79b, s.v. שלושים ריס), thirty ris is equivalent to 4 mil. Maimonides concurs in his commentary on Mishnah yoma 6:4, where 90 ris is put at 12 mil. Mil (Milin) מיל ...
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.
An architect's scale is a specialized ruler designed to facilitate the drafting and measuring of architectural drawings, such as floor plans and Multi-view orthographic projections. Because the scale of such drawings is often smaller than life-size, an architect's scale features multiple units of length and proportional length increments.
Two wooden yardsticks with brass ends, in inches and division of yard for half, quarter, eighth and sixteenth A folding metre-stick carpenter's ruler with millimetre divisions and numbers in centimetres. Fully extended it measures 2 metres. In countries in which the metric system is used, the scale typically contains only a metric scale.
A thousandth of an inch is a derived unit of length in a system of units using inches.Equal to 1 ⁄ 1000 of an inch, a thousandth is commonly called a thou / ˈ θ aʊ / (used for both singular and plural) or, particularly in North America, a mil (plural mils).
A variety of rulers A 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 metre/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]
Gilded Bronze Ruler - 1 chi = 231 mm. Western Han (206 BCE–8 CE). Hanzhong City. Traditional units of length include the chi (尺), bu (步), and li (里). The precise length of these units, and the ratios between these units, has varied over time. 1 bu has consisted of either 5 or 6 chi, while 1 li has consisted of 300 or 360 bu.
[17] [18] Set square, or triangle A set square is used in technical drawing, providing a straightedge at a right angle or another particular planar angle to a baseline. They are commonly made from clear plastic. The most common set squares are 45° squares, (one 90° corner and two 45° corners) and 60/30 triangles (a 90°, a 60° and a 30 ...