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A common unit in both measures throughout historic Greece was the cotyle or cotyla whose absolute value varied from one place to another between 210 ml and 330 ml. [1] The basic unit for both solid and liquid measures was the κύαθος (kyathos, plural: kyathoi).
The De Virga world map was made by Albertinus de Virga between 1411 and 1415. Albertin de Virga, a Venetian, is also known for a 1409 map of the Mediterranean, also made in Venice. The world map is circular, drawn on a piece of parchment 69.6 cm × 44 cm (27.4 in × 17.3 in). It consists of the map itself, about 44 cm (17 in) in diameter, and ...
Units used to measure mass were: [1] 1 dramme = 3.2 g 1 livre (also known as a pound [2]) (Venetian) = 450 g 1 mina = 1.5 kg 1 royal mine 1.5 kg 1 oka = 0.85331 royal mine = 1.280 kg [1] [2] [3] = 1 stater = 56.32 kg 1 talanton = 150 kg. One cantaro was equal to 44 oke, but the value varied from 112 to 128 lb depending on locality.
Eratosthenes of Cyrene (/ ɛr ə ˈ t ɒ s θ ə n iː z /; Ancient Greek: Ἐρατοσθένης [eratostʰénɛːs]; c. 276 BC – c. 195/194 BC) was an Ancient Greek polymath: a mathematician, geographer, poet, astronomer, and music theorist. He was a man of learning, becoming the chief librarian at the Library of Alexandria.
It is possible to group official measurement systems for large societies into historical systems that are relatively stable over time, including: the Babylonian system, the Egyptian system, the Phileterian system of the Ptolemaic age, the Olympic system of Greece, the Roman system, the British system, and the metric system.
Category: Ancient Greek units of measurement. 13 languages. Català ...
A parallel later ancient measurement of the size of the Earth was made by another Greek scholar, Posidonius (c. 135 – 51 BC), using a similar method as Eratosthenes. Instead of observing the Sun, he noted that the star Canopus was hidden from view in most parts of Greece but that it just grazed the horizon at Rhodes. Posidonius is supposed to ...
A Ptolemaic world map from the Geography (Johannes Schnitzer, 1482) Ancient Greek and Roman geographers knew the approximate size of the globe, but remained ignorant of many parts of it. Eratosthenes of Cyrene (276–196 BC) deduced the circumference of the Earth with remarkable accuracy, within 10% of the correct value.