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The minor discrepancies of distance can be adequately explained by slight changes in the tracks of roads during the last 2,300 years. The accuracy of the measurements implies that the bematists used a sophisticated mechanical device for measuring distances, undoubtedly an odometer such as described by Heron of Alexandria. [2]
An odometer or odograph is an instrument used for measuring the distance traveled by a vehicle, such as a bicycle or car. The device may be electronic, mechanical, or a combination of the two ( electromechanical ).
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It is generally accepted that Alexandria Ariana is located in the vicinity of the modern city of Herat, Afghanistan. [9] This hypothesis is supported by the Perso-Islamic authors al-Tabari, Hamza al-Isfahani, and Qudama ibn Ja'far, who record that Herat was founded by Alexander, albeit without referring to it as an Iskandariya, the common Arabic word for cities founded by Alexander. [4]
Five digit odometer of a Citroën Acadiane, 1986. Odometry is the use of data from motion sensors to estimate change in position over time. It is used in robotics by some legged or wheeled robots to estimate their position relative to a starting location. This method is sensitive to errors due to the integration of velocity measurements over ...
A machine commonly displayed as Clayton's odometer is actually one built in 1876 by Thomas G. Lowe. Lowe created his odometer to calculate the distance between villages in northern Arizona. He gave his odometer to the Deseret Museum in Salt Lake City, and it was on display with accurate information from 1876 until it closed for a period in 1903 ...
Bibliotheca Alexandrina Bibliotheca Alexandrina pool. The Bibliotheca Alexandrina (Latin, 'Library of Alexandria'; [1] Arabic: مكتبة الإسكندرية, romanized: Maktabat al-’Iskandariyya, Egyptian Arabic pronunciation: [mækˈtæb(e)t eskendeˈɾejjæ]) (BA) is a major library and cultural center on the shore of the Mediterranean Sea in Alexandria, Egypt.
Alexandria in Arachosia (Greek: Ἀλεξάνδρεια Ἀραχωσίας) also known as Alexandropolis (Ἀλεξανδρόπολις) [1] was a city in ancient times that is now called Kandahar in Afghanistan. It was one of more than twenty cities founded or renamed by Alexander the Great.