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For example, a 10 cm (3.9 in) circular would have a maximum precision approximately equal to a 31.4 cm (12.4 in) ordinary slide rule. Circular slide rules also eliminate "off-scale" calculations, because the scales were designed to "wrap around"; they never have to be reoriented when results are near 1.0—the rule is always on scale.
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]
The town then recognized the Polish King as the rightful ruler and the townspeople sent their representative to Königsberg to pay homage to the King. [ 5 ] After the Thirteen Years’ War (1454–1466) the town was part of Poland as a fief held by the Teutonic Order's state [ 6 ] and, from 1525 to 1701, it was part of the Duchy of Prussia , a ...
Converts measurements to other units. Template parameters [Edit template data] This template prefers inline formatting of parameters. Parameter Description Type Status Value 1 The value to convert. Number required From unit 2 The unit for the provided value. Suggested values km2 m2 cm2 mm2 ha sqmi acre sqyd sqft sqin km m cm mm mi yd ft in kg g mg lb oz m/s km/h mph K C F m3 cm3 mm3 L mL cuft ...
It was standardized by Peter the Great in the 18th century to measure exactly twenty-eight English inches (71.12 cm). Thus, 80 vershoks = 20 pyad's = 5 arshins = 140 English inches (355.60 cm). Thus, 80 vershoks = 20 pyad's = 5 arshins = 140 English inches (355.60 cm).
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 C-Thru Ruler Company is an American maker of measuring devices and specialized products for drafting, designing and drawing. The company was formed in 1939 in Bloomfield, Connecticut , [ 1 ] by Jennie R. Zachs, a schoolteacher, who saw the need for transparent measuring tools such as rulers , triangles , curves and protractors .
Their length varies between 4.7 and 11 cm, their width between 7 and 8.9 cm. Most of them are pierced for threading. On the basis of their inscriptions the scarabs can be divided into five groups (in parentheses the number of scarabs of the type found on several sites): "Lion hunt scarabs" (123) "Marriage scarabs" (56) "Lake scarabs" (11)