Units of length | Obsolete units of measurement

Arabic mile

The Arab, Arabic, or Arabian mile (Arabic: الميل, al-mīl) was a historical Arabic unit of length. Its precise length is disputed, lying between 1.8 and 2.0 km. It was used by medieval Arab geographers and astronomers. The predecessor of the modern nautical mile, it extended the Roman mile to fit an astronomical approximation of 1 minute of an arc of latitude measured along a north–south meridian. The distance between two pillars whose latitudes differed by 1 degree in a north–south direction was measured using sighting pegs along a flat desert plane. There were 4000 cubits in an Arabic mile. If al-Farghani used the legal cubit as his unit of measurement, then an Arabic mile was 1995 meters long. If he used al-Ma'mun's surveying cubit, it was 1925 meters long or 1.04 modern nautical miles. During the Umayyad period (661–750), the "Umayyad mile" was roughly equivalent to 2,285 metres (7,497 ft), or a little more than two kilometers, or about 2 biblical miles, for every Umayyad mile. (Wikipedia).

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The Magnificent Mile, sometimes referred to as The Mag Mile, is an upscale section of Chicago's Michigan Avenue, running from the Chicago River to Oak Street in the Near North Side.[1] The district is located adjacent to downtown, and one block east of Rush Street. The Magnificent Mile ser

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Related pages

Cubit | Mile | Biblical mile | Earth's circumference | Latitude | Nautical mile