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Tag: Eratosthenes

Engines Podcast

Engines of Our Ingenuity 2594: Ptolemy’s Geographia

Posted on March 25, 2021 · Episode: 2594 Mapping the World: Ptolemy’s Geographia. Today, a man and a map.

Tags Almagest aristotle cartography Eratosthenes Geographia geography latitude longitude maps Marinos of Tyre mathematical projection Ptolemy

Engines Podcast

Engines of Our Ingenuity 1422: Alexandria

Dr. John Lienhard

Posted on November 8, 2017 · Episode: 1422 Technology in Alexandria, ca. 200 BC. Today, a 2200-year-old age of invention.

Tags Alexander the Great Archimedes Eratosthenes Euclid feedback hellenistic Heron Ktsiebios Philip II Philon Ptolemy water clocks

Engines Podcast

Engines of Our Ingenuity 2594: Ptolemy’s Geographia

Posted on June 6, 2017 · Episode: 2594 Mapping the World: Ptolemy's Geographia. Today, a man and a map.

Tags Almagest aristotle cartography Eratosthenes Geographia geography latitude longitude maps Marinos of Tyre mathematical projection Ptolemy

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