Claudius Ptolemy - Perth Observatory

Claudius Ptolemy, Latin in full Claudius Ptolemaeus (born c. 100—died c. 170), was an Egyptian astronomer, mathematician, and geographer of Greek descent who flourished in Alexandria during the 2nd century. The name Claudius Ptolemaeus is composed of the Greek name Ptolemaeus and the Roman name Claudius. However, he is believed to have been born in Thebaid […]

Australian Sky & Telescope May - June 2022 (Digital)

Longitude by wire and wireless

120 bc hi-res stock photography and images - Alamy

Longitude by wire and wireless

Museo Galileo - Claudius Ptolemy

Portrait Ptolemy of Alexandria in his observatory. Claudius Ptolemy (100-168) was a Greco-Roman mathematician, astronomer, geographer, astrologer, and poet. Dated 19th century Stock Photo - Alamy

Claudius Ptolemy: Great Astronomers: Ball, Robert Stawell: 9781988357287: : Books

Longitude by wire and wireless

Claudius Ptolemy's Astrological Travel Guide - BBC Sky at Night Magazine