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Ctesibius

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Ctesibius (also spelled Ktesibios) was a Greek physicist and inventor who was probably born in Alexandria sometime around 300 B.C. He was the first of many Greeks to become part of the great ancient engineering tradition in
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When he had gone to visit Ctesibius who was ill, seeing him in great distress from want, he secretly slipped his purse under his pillow; and when Ctesibius found it, "This," said he, "is the amusement of
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Rizakis, Athanasios (April 2019). "New Identities in the Greco-Roman East: Cultural and Legal Implications of the Use of Roman Names". In Robert Parker (ed.).
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who repeatedly mention him, adding that the first mechanicians such as Ctesibius had the advantage of being under kings who loved fame and supported the arts.
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or clepsydra ('water thief'), which for more than 1,800 years was the most accurate clock ever constructed, until the Dutch physicist
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and the first keyboard instrument. He and his wife Thais were reputed to be highly-skilled players of the instrument. He improved the
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for producing a jet of water, or for lifting water from wells. Examples have been found at various Roman sites, such as at
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BCE, probably – but not certainly – in Alexandria. He began his career as a
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Hydraulic clock of Ctesibius, reconstruction at the Technological Museum of Thessaloniki
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Science and Its Times: Understanding the Social Significance of Scientific Discovery
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This article is about the inventor and mathematician. For the lunar crater, see
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There is no direct evidence for the place of birth of Ctesibius. He is given
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Ctesibius' water clock, as visualized by the 17th-century French architect
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Changing Names: Tradition and Innovation in Ancient Greek Onomastics
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The Rise and Fall of Alexandria: Birthplace of the Modern World
238:, a water organ that is considered the precursor of the modern 467:. Associate editor: Josh Lauer. Gale Group. pp. 400–401. 137: 534:
Pollard, Justin; Reid, Howard (2007). "The Clockwork City".
327:(the last of the engineers of antiquity) also mention him. 192:." None of his written work has survived, including his 1863: 1741: 1691: 1665: 1587: 1569: 1468: 1461: 1317: 1279: 1096: 704: 96: 79: 58: 50: 43: 483: 172:. He wrote the first treatises on the science of 196:a compilation of his research that was cited by 292: 254:in 1656. Ctesibius described one of the first 682: 204:), a predecessor of the modern church organ. 176:and its uses in pumps (and even in a kind of 8: 404: 376: 370: 188:of air, earned him the title of "father of 1695: 1465: 689: 675: 667: 40: 400: 226:During this first career, he invented a 212:Ctesibius was the son of a barber, born 619:. Berkeley: Univ. of California Press. 424: 362: 1718:Latin translations of the 12th century 662:. Cambridge: Harvard University Press. 450: 448: 446: 444: 180:). This, in combination with his work 1448:Straightedge and compass construction 600:. USGS Astrogeology Research Program. 490:. British Academy. pp. 237–257. 7: 1413:Incircle and excircles of a triangle 496:10.5871/bacad/9780197266540.003.0011 234:. Another of his inventions was the 598:Gazetteer of Planetary Nomenclature 299:Ctesibius's work is chronicled by 25: 266:has also been attributed to him. 262:in Britain. The principle of the 1930: 1917: 617:Engineering in the ancient world 558:Athenaeus Deipnosophistae 4.174e 350:International Astronomical Union 27:Greek inventor and mathematician 1750:A History of Greek Mathematics 1263:The Quadrature of the Parabola 538:. Penguin Books. p. 130. 1: 1972:3rd-century BC mathematicians 659:The Ten Books on Architecture 636:Greek science after Aristotle 570:Uppity Women of Ancient Times 213: 62: 1962:Ancient Greek mathematicians 1531:Intersecting secants theorem 572:. Conari Press. p. 82. 34:. For the beetle genus, see 1526:Intersecting chords theorem 1393:Doctrine of proportionality 455:Hoffmann, James J. (2001). 1998: 1222:On the Sphere and Cylinder 1175:On the Sizes and Distances 459:. In Neil Schlager (ed.). 138: 29: 1924:Ancient Greece portal 1913: 1728:Philosophy of mathematics 1698: 1643:Ptolemy's table of chords 698:Ancient Greek mathematics 457:"Ctesibius of Alexandria" 223:, following his father. 104: 89: 1595:Aristarchus's inequality 1168:On Conoids and Spheroids 1957:Ancient Greek inventors 1703:Ancient Greek astronomy 1516:Inscribed angle theorem 1506:Greek geometric algebra 1161:Measurement of a Circle 523:. Book IX, Chapter 8.2. 432:Encyclopædia Britannica 391:, as "an ethnic" or "a 18:Ctesibius of Alexandria 1937:Mathematics portal 1723:Non-Euclidean geometry 1678:Mouseion of Alexandria 1551:Tangent-secant theorem 1501:Geometric mean theorem 1486:Exterior angle theorem 1481:Angle bisector theorem 1185:On Sizes and Distances 634:Lloyd, G.E.R. (1973). 615:Landels, J.G. (1978). 405: 371: 297: 274: 118: 1625:Pappus's area theorem 1561:Theorem of the gnomon 1438:Quadratrix of Hippias 1361:Circles of Apollonius 1309:Problem of Apollonius 1287:Constructible numbers 1111:Archimedes Palimpsest 272: 113: 1967:Ancient Alexandrians 1841:prehistoric counting 1638:Ptolemy's inequality 1579:Apollonius's theorem 1418:Method of exhaustion 1388:Diophantine equation 1378:Circumscribed circle 1195:On the Moving Sphere 638:. New York: Norton. 568:Leon, Vicki (1995). 342:far side of the Moon 319:(the commentator on 170:Museum of Alexandria 1927: • 1733:Neusis construction 1653:Spiral of Theodorus 1546:Pythagorean theorem 1491:Euclidean algorithm 1433:Lune of Hippocrates 1302:Squaring the circle 1058:Theon of Alexandria 733:Aristaeus the Elder 250:' invention of the 1620:Menelaus's theorem 1610:Irrational numbers 1423:Parallel postulate 1398:Euclidean geometry 1366:Apollonian circles 908:Isidore of Miletus 399:(1st century  325:Hero of Alexandria 313:Philo of Byzantium 275: 248:Christiaan Huygens 119: 36:Ctesibius (beetle) 32:Ctesibius (crater) 1944: 1943: 1909: 1908: 1661: 1660: 1648:Ptolemy's theorem 1521:Intercept theorem 1371:Apollonian gasket 1297:Doubling the cube 1270:The Sand Reckoner 505:978-0-19-188424-5 465:2000 BC to AD 699 284:Diogenes Laërtius 108: 107: 91:Scientific career 84:Alexandrian Greek 16:(Redirected from 1989: 1935: 1934: 1922: 1921: 1920: 1696: 1683:Platonic Academy 1630:Problem II.8 of 1600:Crossbar theorem 1556:Thales's theorem 1496:Euclid's theorem 1466: 1383:Commensurability 1344:Axiomatic system 1292:Angle trisection 1257: 1247: 1209: 1199: 1189: 1179: 1155: 1145: 1128: 691: 684: 677: 668: 663: 649: 630: 602: 601: 590: 584: 583: 565: 559: 556: 550: 549: 531: 525: 524: 516: 510: 509: 489: 479: 473: 472: 452: 439: 429: 412: 410: 402: 390: 387: 384: 381: 378: 374: 367: 218: 215: 148: 145: 141: 140: 67: 64: 41: 21: 1997: 1996: 1992: 1991: 1990: 1988: 1987: 1986: 1947: 1946: 1945: 1940: 1929: 1918: 1916: 1905: 1871:Arabian/Islamic 1859: 1848:numeral systems 1737: 1687: 1657: 1605:Heron's formula 1583: 1565: 1457: 1453:Triangle center 1443:Regular polygon 1320:and definitions 1319: 1313: 1275: 1255: 1245: 1207: 1197: 1187: 1177: 1153: 1143: 1126: 1092: 1063:Theon of Smyrna 708: 700: 695: 652: 646: 633: 627: 614: 611: 609:Further reading 606: 605: 592: 591: 587: 580: 567: 566: 562: 557: 553: 546: 533: 532: 528: 521:De Architectura 518: 517: 513: 506: 481: 480: 476: 454: 453: 442: 430: 426: 421: 416: 415: 407:De Architectura 388: 386:the Alexandrian 385: 382: 379: 368: 364: 359: 333: 309:Pliny the Elder 280: 216: 210: 166:Ptolemaic Egypt 146: 116:Claude Perrault 75: 69: 65: 46: 39: 28: 23: 22: 15: 12: 11: 5: 1995: 1993: 1985: 1984: 1979: 1977:280s BC births 1974: 1969: 1964: 1959: 1949: 1948: 1942: 1941: 1914: 1911: 1910: 1907: 1906: 1904: 1903: 1898: 1893: 1888: 1883: 1878: 1873: 1867: 1865: 1864:Other cultures 1861: 1860: 1858: 1857: 1856: 1855: 1845: 1844: 1843: 1833: 1832: 1831: 1821: 1820: 1819: 1809: 1808: 1807: 1797: 1796: 1795: 1785: 1784: 1783: 1773: 1772: 1771: 1761: 1760: 1759: 1745: 1743: 1739: 1738: 1736: 1735: 1730: 1725: 1720: 1715: 1713:Greek numerals 1710: 1708:Attic numerals 1705: 1699: 1693: 1689: 1688: 1686: 1685: 1680: 1675: 1669: 1667: 1663: 1662: 1659: 1658: 1656: 1655: 1650: 1645: 1640: 1635: 1627: 1622: 1617: 1612: 1607: 1602: 1597: 1591: 1589: 1585: 1584: 1582: 1581: 1575: 1573: 1567: 1566: 1564: 1563: 1558: 1553: 1548: 1543: 1538: 1536:Law of cosines 1533: 1528: 1523: 1518: 1513: 1508: 1503: 1498: 1493: 1488: 1483: 1477: 1475: 1463: 1459: 1458: 1456: 1455: 1450: 1445: 1440: 1435: 1430: 1428:Platonic solid 1425: 1420: 1415: 1410: 1408:Greek numerals 1405: 1400: 1395: 1390: 1385: 1380: 1375: 1374: 1373: 1368: 1358: 1353: 1352: 1351: 1341: 1340: 1339: 1334: 1323: 1321: 1315: 1314: 1312: 1311: 1306: 1305: 1304: 1299: 1294: 1283: 1281: 1277: 1276: 1274: 1273: 1266: 1259: 1249: 1239: 1236:Planisphaerium 1232: 1225: 1218: 1211: 1201: 1191: 1181: 1171: 1164: 1157: 1147: 1137: 1130: 1120: 1113: 1108: 1100: 1098: 1094: 1093: 1091: 1090: 1085: 1080: 1075: 1070: 1065: 1060: 1055: 1050: 1045: 1040: 1035: 1030: 1025: 1020: 1015: 1010: 1005: 1000: 995: 990: 985: 980: 975: 970: 965: 960: 955: 950: 945: 940: 935: 930: 925: 920: 915: 910: 905: 900: 895: 890: 885: 880: 875: 870: 865: 860: 855: 850: 845: 840: 835: 830: 825: 820: 815: 810: 805: 800: 795: 790: 785: 780: 775: 770: 765: 760: 755: 750: 745: 740: 735: 730: 725: 720: 714: 712: 706:Mathematicians 702: 701: 696: 694: 693: 686: 679: 671: 665: 664: 650: 644: 631: 625: 610: 607: 604: 603: 585: 578: 560: 551: 545:978-0143112518 544: 526: 511: 504: 474: 463:. 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1053:Theodosius 1038:Theaetetus 1018:Simplicius 1008:Pythagoras 993:Posidonius 978:Philonides 938:Nicomachus 933:Metrodorus 923:Menaechmus 878:Hipparchus 868:Heliodorus 818:Diophantus 803:Democritus 783:Chrysippus 753:Archimedes 748:Apollonius 718:Anaxagoras 710:(timeline) 419:References 344:was named 288:Arcesilaus 278:Reputation 260:Silchester 240:pipe organ 217: 300 208:Inventions 190:pneumatics 186:elasticity 162:Alexandria 72:Alexandria 66: 222 1337:Inscribed 1097:Treatises 1088:Zenodorus 1048:Theodorus 1023:Sosigenes 968:Philolaus 953:Oenopides 948:Nicoteles 943:Nicomedes 903:Hypsicles 798:Ctesibius 788:Cleomedes 773:Callippus 758:Autolycus 743:Aristotle 723:Anthemius 654:Vitruvius 436:Ctesibius 397:Vitruvius 346:Ctesibius 305:Athenaeus 301:Vitruvius 236:hydraulis 202:hydraulis 198:Athenaeus 139:Κτησίβιος 126:Ktesibios 122:Ctesibius 45:Ctesibius 1901:Japanese 1886:Egyptian 1829:timeline 1817:timeline 1805:timeline 1800:geometry 1793:timeline 1788:calculus 1781:timeline 1769:timeline 1472:Elements 1318:Concepts 1280:Problems 1253:Spherics 1243:Spherics 1208:(Euclid) 1154:(Euclid) 1151:Elements 1144:(Euclid) 1105:Almagest 1013:Serenus 988:Porphyry 928:Menelaus 883:Hippasus 858:Eutocius 833:Domninus 728:Archytas 656:(1914). 154:inventor 130:Tesibius 1881:Chinese 1836:numbers 1764:algebra 1692:Related 1666:Centers 1462:Results 1332:Central 1003:Ptolemy 998:Proclus 963:Perseus 918:Marinus 898:Hypatia 888:Hippias 863:Geminus 853:Eudoxus 843:Eudemus 813:Diocles 380:  348:by the 340:on the 317:Proclus 184:on the 74:, Egypt 1896:Indian 1673:Cyrene 1205:Optics 1124:Conics 1043:Theano 1033:Thales 1028:Sporus 973:Philon 958:Pappus 848:Euclid 778:Carpus 768:Bryson 642:  623:  576:  542:  502:  338:crater 323:) and 321:Euclid 311:, and 264:siphon 232:mirror 221:barber 178:cannon 97:Fields 1891:Incan 1812:logic 1588:Other 1356:Chord 1349:Axiom 1327:Angle 983:Plato 873:Heron 793:Conon 403:) in 357:Notes 151:Greek 134:Greek 1853:list 1141:Data 913:Leon 763:Bion 640:ISBN 621:ISBN 574:ISBN 540:ISBN 500:ISBN 393:deme 377:lit. 156:and 59:Died 51:Born 1755:by 1469:In 492:doi 401:BCE 160:in 144:fl. 128:or 124:or 68:BCE 1953:: 596:. 498:. 443:^ 434:: 375:, 307:, 303:, 290:: 214:c. 164:, 142:; 136:: 63:c. 690:e 683:t 676:v 648:. 629:. 582:. 548:. 508:. 494:: 411:. 389:' 383:' 352:. 132:( 38:. 20:)

Index

Ctesibius of Alexandria
Ctesibius (crater)
Ctesibius (beetle)
Alexandria
Alexandrian Greek

Claude Perrault
Greek
Greek
inventor
mathematician
Alexandria
Ptolemaic Egypt
Museum of Alexandria
compressed air
cannon
elasticity
pneumatics
Athenaeus
hydraulis
barber
counterweight
mirror
hydraulis
pipe organ
water clock
Christiaan Huygens
pendulum clock
force pumps
Silchester

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