ctesibius
313rd century BC — The 3rd century BC started the first day of 300 BC and ended the last day of 201 BC. It is considered part of the Classical era, epoch, or historical period.The first few decades of this century were characterized by a balance of power between… …
32Chrysippus — This article is about the philosopher. For other people named Chrysippus, see Chrysippus (disambiguation). Chrysippus of Soli Roman copy of a Hellenistic bust of Chrysippus, British Museum Full name Chrysippus of Soli Born c. 279 BC …
33Menelaus of Alexandria — (c. 70–140 CE) was a Greek[1] mathematician and astronomer, the first to recognize geodesics on a curved surface as natural analogs of straight lines. Contents 1 Life and Works 2 Bibliography …
34Dicaearchus — For the pirate, see Dicaearchus of Aetolia. Dicaearchus of Messana (Greek: Δικαίαρχος, Dikaiarkhos; also written Dicearchus, Dicearch, Diceärchus, or Diceärch) (c. 350 – c. 285 BC) was a Greek philosopher, cartographer, geographer, mathematician… …
35Culture of Egypt — The culture of Egypt has thousands of years of recorded history. Ancient Egypt was among the earliest civilizations. For millennia, Egypt maintained a strikingly complex and stable culture that influenced later cultures of Europe, the Middle East …
36Timeline of time measurement technology — Timeline of time measurement technology* 270 BC Ctesibius builds a popular water clock, called a clepsydra * 46 BC Julius Caesar and Sosigenes develop a solar calendar with leap years * 1000s Sets of hourglasses were maintained by ship s pages to …
37222 BC — NOTOC EventsBy placeRoman Republic* Mediolanum (modern Milan), stronghold of the Gallic tribe of the Insubres (led by Viridomarus), falls to Roman legions in Lombardy (led by consul, Marcus Claudius Marcellus), in the Battle of Clastidium. Marcus …
38Hydraulics — For the mechanical technology, see hydraulic machinery. For the United States Navy ship, see USS Hydraulic (SP 2584). Hydraulics and other studies[1] Hydraulics is a topic in applied science and …
39Aristarchus of Samos — Aristarchus, or more correctly Aristarchos (Greek: Ἀρίσταρχος, Arístarchos; 310 BC – ca. 230 BC), was a Greek astronomer and mathematician, born on the island of Samos, in Greece. He presented the first known heliocentric model of the solar… …
40Conon of Samos — (ca. 280 BC – ca. 220 BC) was a Greek astronomer and mathematician. He is primarily remembered for naming the constellation Coma Berenices. Contents 1 Life and work 2 See also 3 Citations and footnotes …
