21. Delamain [Delamaine], Richard QA27 .G7T23 Florian Cajori, william oughtred, (LondonChicago, 1916).QA29 .O8C2 AJ Turner, william oughtred, Richard Delamain http://es.rice.edu/ES/humsoc/Galileo/Catalog/Files/delamain.html

Catalog of the Scientific Community Delamain [Delamaine], Richard Note: the creators of the Galileo Project and this catalogue cannot answer email on genealogical questions. 1. Dates Born: unknown first recorded in 1629. Died: before 1645 when his widow petitioned. Dateinfo: Flourished (two dates give known period) Lifespan: N/A 2. Father Occupation: Unknown No information. No information on financial status. 3. Nationality Birth: English Career: English Death: English 4. Education Schooling: No University Originally a joiner by trade, he studied mathematics at Gresham College. 5. Religion Affiliation: Anglican assumed 6. Scientific Disciplines Primary: Mathematics Delamain is known almost entirely for his essay, Grammelogia, or the Mathematical Ring, which deals with practical mathematics and a couple of instruments, and for the controversy the work generated with Oughtred. He also published The Making, Description, and Use of . . . a Horizontal Quadrant, 1631, which was part of the controversy. As far as Oughtred was concerned, Delamain was a simple plagiarist who stole instruments that Oughtred designed but did not seriously understand them. On the whole modern commentators appear to doubt Delamain's originality. There is enough uncertainty for me to leave him in the catalogue. 7. Means of Support

22. The Oughtred Society Home Page Membership group dedicated to the history and collection of slide rules.Category Recreation Antiques Medical and Scientific Slide Rules...... Meet william oughtred Inventor of the modern slide rule and our namesake. Learnabout the history and background of the oughtred Society and its principles. http://www.oughtred.org/

Welcome to: The Oughtred Society dedicated to the history and collection of slide rules A Charpentier Circular Slide Rule Learn more click on the photos) M eet William Oughtred - Inventor of the modern slide rule and our namesake. L earn about the history and background of the Oughtred Society and its principles U se Your Credit Card Join or Renew your membership S ee a listing of our Technical Journals and published articles. Members can now order back issues on-line. Visit a Journals page to learn more. Journals (1991-1995) Journals (1996-2000) Journals (2001- V iew a listing of upcoming events: C heck out highlights from the June 2001 annual meeting A merican Patent Data Check our our Society News Page New! B rochures Now Available Click Here for more information Oughtred Background Journals Membership ... E-mail Comments? Send your comments to: webdesigner@oughtred.orgt

23. Biographies Of Computer Pioneers K-Z 1970s; Osborne, Adam (1939- ) inventor of portable computers, OsbornI; oughtred, william. go to index computer pioneers, P. Packard http://www.thocp.net/biographies/biographies2.htm

Biographies Pioneers of computing K-Z This index mentions most of the computer pioneers and their inventions, or other important people in computers or computing industry. Due to the length of the index we have cut the index into two parts: [A-J] and [K-Z] you can navigate through both parts via the alfabeth icon (see below) from both pages; they have identical mappings. Sometimes a link will bring you to external sites, use the back button of your browser to come back. If you see in-active or un-linked pages, they are either under revision or will be added in the future. So come back often, or press the what's new hotspot on the main page Recently we have added a list of historic papers as they are referenced via the biographies, readers asked us to insert an index page for easier retrieval: Though we think this list to be fairly complete please mail us if you find omissions. K Kapor, Mitch (1950- ) developer of Lotus 1-2-3 along with Jonathan Sachs, and founded the Lotus Development Corp. in 1982, Kapor Enterprises Karmanos, Peter;

24. William Oughtred Next Last Index Text, Slide 1 of 2. http://www.hsu.edu/faculty/worthf/mathematicians/Oughtred/sld001.htm

25. Online Text Of William Oughtred's Circles Of Proportion oughtred's Circles of Proportion. Introduction. The following pagecontains sections of william oughtred's Circles of Proportion. http://www.mat.bham.ac.uk/C.J.Sangwin/Sliderules/circlesproportion.html

Oughtred's Circles of Proportion Introduction The following page contains sections of William Oughtred's Circles of Proportion. The circles have an interesting bibliographical history but this is not the place to elaborate on those details. I have not, as yet, been able to include the full text. Any errors and omissions from the original are mine alone. I have tried to preserve the original spelling. Contents Front piece Epistle Dedicatorie To the honourable and renowned for vertue, learning, and true valour, Sir Kenelme Digbye Knight. The First Part of this Booke Shewing the use of the First side of the instrument, for the working of the Proportions both simple and compound, and the ready and easie reolving of questions both in Arithmetique, Geometrie, and Astronomie, by Calculation. To the English Gentrie and all others studious of the Mathematicks which shall bee Readers herof. The just Apologie of Wil: Oughtred against the slanderous insimulations of Richard Delamain, in a Pamphlet called Grammelogia, or the Mathematical Ring or Mirifica logarithmorum projectio circularts. [References] The Circles of Proportion and the Horizontall instrument.

26. The Invention Of The Slide Rule accuracy of the instrument. william oughtred (15741660). williamoughtred was a clergyman and keen mathematician. He is believed http://www.mat.bham.ac.uk/C.J.Sangwin/Sliderules/inventrule.html

The invention of the Slide Rule Edmund Gunter (15811626) Edmund Gunter's most important book entitled Description and use of the Sector , was first published in English in 1623. This has been described as ``the most important work on the science of navigation to be published in the seventeenth century." A sector is a mathematical instrument consisting of two hinged arms on which there are engraved scales which can be used to help with calculations. This is not a slide-rule; the single scale is used in conjunction with a pair of compasses. What makes Gunter's sector special is that it is the first mathematical instrument to be inscribed with a logarithmic scale to help solve numerical problems. In practice the points of the compass tend to damage the scales which reduces the accuracy of the instrument. William Oughtred (15741660) William Oughtred was a clergyman and keen mathematician. He is believed to have introduced the x symbol for multiplication in his book Clavis Mathematicae (Key to Mathematics), written about 1628 and published in London in 1631. This was a very important maths text book at the time. Newton read and was influenced by it for example. He is now generally though to be the inventer of the slide rule. Both straight and circular rules are described in a book with the title

27. Peripheria - William Oughtred (1574-1660) william oughtred (1574-1660). retour aux mathématiciens (plus d'images). http://www.peripheria.net/bios/oughtred/

intro accueil / actualités qu'est-ce que Pi ? pourquoi Pi ? histoire du nombre Pi ... les décimales de Pi récré records amusement poèmes filmographie ... logiciels compléments liens bibliographie site livre d'or contact historique du site crédits ... stats [ SPONSOR ] William Oughtred (1574-1660) [retour aux mathématiciens] (plus d'images) William Oughtred, mathématicien anglais né le 5 mars 1574 à Eton, Buckinghamshire en Angleterre, mort le 30 juin 1660 à Albury, Surrey en Angleterre. [retour aux mathématiciens] peripheria

28. William Oughtred william oughtred, the inventor of the slide rule, was rector there for 50 yearsfrom 1610 to his death in 1660. Herewith is a brief history of his life. http://sliderules.lovett.com/background.html

Background Picture The picture in the background is that of Albury Church, Surrey, taken by myself during August 2002. William Oughtred, the inventor of the slide rule, was rector there for 50 years from 1610 to his death in 1660. Herewith is a brief history of his life. Born: Eton, Buckinghamshire, 5 March 1575 Died: Albury, near Guildford, Surrey, 30 June 1660 William Oughtred attended Eton School, which although a very famous school was in fact his local school. From there he went to King's College Cambridge, entering in 1592. Three years later he became a Fellow of King's College, received his B.A. in 1596 and his M.A. in the year 1600. It is surprising that although very little mathematics was taught at either Eton or Cambridge at this time Oughtred became passionately interested. He wrote:- ... the time which over and above those usuall studies I employed upon the mathematicall sciences I redeemed night by night from my naturall sleep, defrauding my body, and inuring it to watching, cold, and labour, while most others tooke their rest. Oughtred was ordained an Episcopal minister in 1603. In 1604 he became vicar of Shalford and later, in 1610, he became rector of Albury. Oughtred took private pupils who came to his house and lived there free of charge while they received mathematical instruction. He had many pupils but the most famous were John Wallis, Christopher Wren and Richard Delamain.

29. List Of Authors Newton, Isaac Philosophiae naturalis principia mathematica (1726). oughtred,william The description and use of the double horizontall dyall (1652). http://www.library.usyd.edu.au/libraries/rare/modernity/authors.html

introduction online exhibition early modern thought rare book library ... contacts ORIGINS OF MODERNITY authors Accademia del cimento Saggi di naturali esperienze fatte nell'Accademia del cimento sotto la protezione del serenissimo principe Leopoldo di Toscana e descritte dal segretario di essa accademia (1666) Agrippa von Nettesheim, Heinrich Cornelius De Incertitudinae et vanitate scientiarum declamatio invectiva (1532) ... Reflections upon ancient and modern learning (1697)

30. ThinkQuest Library Of Entries ?(Thomos harriot, 15601621)? (william oughtred,1574-1660).?(Thomas Harriot, 1560-1621)? http://library.thinkquest.org/22584/tmh3034.htm

Welcome to the ThinkQuest Internet Challenge of Entries The web site you have requested, Mathematics History , is one of over 4000 student created entries in our Library. Before using our Library, please be sure that you have read and agreed to our To learn more about ThinkQuest. You can browse other ThinkQuest Library Entries To proceed to Mathematics History click here Back to the Previous Page The Site you have Requested ... Mathematics History click here to view this site A ThinkQuest Internet Challenge 1998 Entry Click image for the Site Languages : Site Desciption An extensive history of mathematics is at your fingertips, from Babylonian cuneiforms to advances in Egyptian geometry, from Mayan numbers to contemporary theories of axiomatical mathematics. You will find it all here. Biographical information about a number of important mathematicians is included at this excellent site. Students Hyun-jin Jae-yun Hwang(Seoul Yo Sang) Korea, South Kyung-sun Jae-yun Hwang(Seoul Yo Sang) Korea, South So-young Jae-yun Hwang(Seoul Yo Sang) Korea, South

31. ThinkQuest Library Of Entries In the same year (1631) that Harriot's posthumous work on algebra ap peared,there also appeared the first edition of william oughtred's popular Clavis http://library.thinkquest.org/22584/temh3034.htm

Welcome to the ThinkQuest Internet Challenge of Entries The web site you have requested, Mathematics History , is one of over 4000 student created entries in our Library. Before using our Library, please be sure that you have read and agreed to our To learn more about ThinkQuest. You can browse other ThinkQuest Library Entries To proceed to Mathematics History click here Back to the Previous Page The Site you have Requested ... Mathematics History click here to view this site A ThinkQuest Internet Challenge 1998 Entry Click image for the Site Languages : Site Desciption An extensive history of mathematics is at your fingertips, from Babylonian cuneiforms to advances in Egyptian geometry, from Mayan numbers to contemporary theories of axiomatical mathematics. You will find it all here. Biographical information about a number of important mathematicians is included at this excellent site. Students Hyun-jin Jae-yun Hwang(Seoul Yo Sang) Korea, South Kyung-sun Jae-yun Hwang(Seoul Yo Sang) Korea, South So-young Jae-yun Hwang(Seoul Yo Sang) Korea, South

32. Biography-center - Letter O bio/a5411.html; oughtred, william www-history.mcs.st-and.ac.uk/~history/Mathematicians/oughtred.html;Outerbridge, Paul www.getty http://www.biography-center.com/o.html

Visit a random biography ! Any language Arabic Bulgarian Catalan Chinese (Simplified) Chinese (Traditional) Croatian Czech Danish Dutch English Estonian Finnish French German Greek Hebrew Hungarian Icelandic Indonesian Italian Japanese Korean Latvian Lithuanian Norwegian Polish Portuguese Romanian Russian Serbian Slovak Slovenian Spanish Swedish Turkish O 134 biographies O'Brian, Patrick www.wwnorton.com/pob/bio.htm O'Brien, Margaret www.wic.org/bio/mobrien.htm O'connor, Justice supct.law.cornell.edu/supct/justices/oconnor.bio.clr.html O'Connor, Flannery www.wwnorton.com/naal/explore/oconnor.htm O'Connor, Mary Flannery cheshire.cwrl.utexas.edu/~mmaynard/voices/oconnor.html O'Hara, John www.ncteamericancollection.org/litmap/ohara_john_pa.htm O'Hara, Catherine www.northernstars.ca/actorsmno/oharabio.html O'Keeffe, Georgia www.pbs.org/wnet/americanmasters/database/okeeffe_g.html O'Keeffe, Georgia www.geocities.com/moondarlin/artokeeffe.html O'Neill, Terri library.thinkquest.org/20117/oneill.html O'Neill, Eugene odur.let.rug.nl/~usa/LIT/oneill.htm_pa.htm O'Neill, Eugene

33. OUGHTRED Children 1. william oughtred (Esq.). 2. Catherine oughtred. william oughtred (Esq.).Father Thomas oughtred (Sir Knight) Mother Catherine MAULEY. Married ¿? http://www.tudorplace.com.ar/OUGHTRED.htm

OUGHTRED FAMILY Son OUGHTRED Married: Children: Robert OUGHTRED (Sir Knight) Roger OUGHTRED Roger OUGHTRED Born: BEF 1240 Father: Son OUGHTRED Mother: Married: Children: Simon OUGHTRED Simon OUGHTRED Born: BEF 1285 Father: Roger OUGHTRED Mother: Married: Children: Roger OUGHTRED Maud OUGHTRED Maud OUGHTRED Born: BEF 1323 Father: Simon OUGHTRED Mother: Married: Adam BRUS Roger OUGHTRED Born: BEF 1317 Father: Simon OUGHTRED Mother: Married: Joan FREVILLE Children: John OUGHTRED John OUGHTRED Born: BEF 1349 Father: Roger OUGHTRED Mother: Joan FREVILLE Married: Alice BURTON Children: John OUGHTRED John OUGHTRED Father: John OUGHTRED Mother: Alice BURTON Married: Amanda HOLME Children: Peter OUGHTRED Peter OUGHTRED Born: ABT 1350, Etton, Yorkshire, England Father: John OUGHTRED Mother: Amanda HOLME Married: Isabel (Alice) RAVENSOR (b. ABT 1354) Children: Alice OUGHTRED Anne OUGHTRED Alice OUGHTRED Born: ABT 1379 / 1392 Father: Peter OUGHTRED Mother: Isabel (Alice) RAVENSOR Married: William ANLABY (Esq.) (b. ABT 1375, Elveley, Etton, Yorkshire, England) Children: Anne ANLABY (b. ABT 1414, Elveley, England) (m.

34. FAIRFAX 1. Henry oughtred (Sir Knight). 2. Dorothy oughtred. 3. Robert oughtred. AnneFAIRFAX. Father william FAIRFAX of Steeton (Sir). Mother Elizabeth MANNERS. http://www.tudorplace.com.ar/FAIRFAX.htm

FAIRFAX FAMILY Henry FAIRFAX Married: Children: John FAIRFAX John FAIRFAX Father: Henry FAIRFAX Mother: Married: Children: Richard FAIRFAX Richard FAIRFAX Born: 1180 Father: John FAIRFAX Mother: Married: Children: William FAIRFAX William FAIRFAX Born: 1200 Father: Richard FAIRFAX Mother: Married: Alice De BUGTHORPE Children: William FAIRFAX William FAIRFAX Notes: High Baliff of York, 1249 Father: William FAIRFAX Mother: Alice De BUGTHORPE Married: Mary FLOWER Children: Thomas FAIRFAX of Walton Thomas FAIRFAX of Walton Father: William FAIRFAX Mother: Mary FLOWER Married: Anne De SEZEVAUX Children: John FAIRFAX of Walton Thomas FAIRFAX William FAIRFAX Bego FAIRFAX John FAIRFAX of Walton Born: BEF 1261 Died: 1314, Walton, England Father: Thomas FAIRFAX of Walton Mother: Anne De SEZEVAUX Married: Clarissa SCOTT Children: Thomas FAIRFAX of Walton Thomas FAIRFAX of Walton Father: John FAIRFAX of Walton Mother: Clarissa SCOTT Married: Elizabeth De ELTON Children: William FAIRFAX of Walton 2. Thomas FAIRFAX John FAIRFAX (Rector) Elizabeth FAIRFAX Son FAIRFAX Son FAIRFAX Son FAIRFAX Son FAIRFAX Elizabeth FAIRFAX Father: Thomas FAIRFAX of Walton Mother: Elizabeth De ELTON Married: Thomas De ETTON John FAIRFAX (Rector) Died: 1393 Father: Thomas FAIRFAX of Walton Mother: Elizabeth De ELTON William FAIRFAX of Walton Born: BEF 1349, Walton, England

35. O/OU OUBLIETTE OUCH OUDENARDE OUDINE, EUGENE ANDRE OUDINOT, OUBLIETTE OUCH OUDENARDE OUDINE, EUGENE ANDRE OUDINOT, CHARLES NICOLAS oughtred,william OUIDA (MARIA LOUISE DE LA RAMEE) OUNCE OUNDLE OURO PRETO OUSE OUSEL http://1911encyclopedia.org/O/OU/

O/OU OUBLIETTE OUCH OUDENARDE OUDINE, EUGENE ANDRE ... OUTRAM, SIR JAMES

36. William Oughtred Translate this page william oughtred Owtred (1574 - 1660) Matemático inglês nascidoem Eton, Buckinghamshire, que escreveu extensivamente sobre http://www.sobiografias.hpg.com.br/WilliOug.html

William Oughtred Owtred Clavis mathematicae Nova B U S C A :

37. Science Etc FRS (1888–1969) Miers, Sir Henry, FRS (1858–1942) Moseley, Henry (1887–1915)Ogston, Dr Alexander, FRS (1911–1996) oughtred, william (1575–1660 http://www.etoncollege.com/eton.asp?di=1262

38. Martin, Benjamin: Biographia Philosophica Moore, Sir Jonas Munster, Sebastian Neper, John Newton, Sir Isaac Newton, John Nieuwentyt,Bernard Nonius, Peter Oldenburg, Henry oughtred, william Ovid Ozanam http://www.press.uchicago.edu/cgi-bin/hfs.cgi/00/15277.ctl

Go to ... Full text search Excerpts Subject catalogs Subject index ... Shopping cart contents or Print an order form Martin, Benjamin Biographia Philosophica Being an Account of the Lives, Writings, and Inventions of the Most Eminent Philosophers and Mathematicians . Distributed for the Thoemmes Press. 1764 Edition. 567 p. 5-3/8 x 8-1/2 2002 Cloth CUSA $140.00tx 1-85506-973-3 Spring 2002 Benjamin Martin (1704-82) came from a family of Surrey farmers and seems to have received little in the way of formal education. However, he taught himself mathematics and astronomy, and in time became an accomplished inventor and maker of scientific instruments. He was also a keen disciple of Newtonon whose physics he gave public lecturesas well as a considerable philosopher of language. Martin published many books on these various subjects, but his chief ambition as a writer was nothing less than to provide a synopsis of all scientific and philosophical knowledge in a grand fourteen-volume series. Martin only ever completed five of these projected booktwo on philology, two on mathematics, and the Biographia Philosophica This rare little encyclopaedia contains entries detailing the lives and works of 157 people, from Thales and Euclid in antiquity to Sir Isaac Newton and Dr Nicholas Saunderson in Martin's own century. Typically, an entry will begin with biographical information and then move on to a critical assessment of its subject's work, 'digested according to the Order of Time in which they lived'. Sometimes, a bibliography is given in conclusion. As was usual in his era, Martin construed the term 'philosophy' broadly enough to include the sciences as well as abstract thought.

39. Famous People leibniz.html. 24, oughtred, william (15741660). Best known for theinvention of an early form of the slide rule. Category Science http://www.ad.com/Science/Math/Mathematicians/Famous_People/

search Top Categories: Erdös, Paul Euler, Leonhard Napier, John Nash, John F., Jr. ... Abel - Niels Henrik Abel (1802-1829) Norwegian mathematician. Worked on elliptic functions and integrals, algebraic solution of equations and solubility by radicals. Category: Science > Math > Mathematicians > Famous People http://www-history.mcs.st-andrews.ac.uk/history/Mathematicians/Abel.html al-Khwarizmi - Abu Ja'far al-Khwarizmi (780-850) Arab mathematician, lived when spread of ideas was very slow, wrote Hisab al-jabr wal-muqabala, concepts of the Middle East. The "al-jabr" gave us the word algebra." introduced the de Category: Science > Math > Mathematicians > Famous People http://www.windows.ucar.edu/people/middle_ages/al-khwarizmi.html Archimedes (c. 287 B.C.-212 B.C.) (Encyclopedia.com) Greek mathematician, physicist, and inventor. Category: Science > Math > Mathematicians > Famous People http://www.encyclopedia.com/articles/00686.html Bernoulli, Daniel (1700-1782) Most important work considered the basic properties of fluid flow, pressure, density and velocity, and gave their fundamental relationship now known as Bernoulli's principle. Category: Science > Math > Mathematicians > Famous People http://www-groups.dcs.st-and.ac.uk/~history/Mathematicians/Bernoulli_Daniel.html

40. History Of Astronomy: Roughly Sorted Links - Biographies (1) Barnes Numa Pompilius Oberth, Hermann (Julius) Oberth, Hermann (Julius) Olbers, WilhelmOort, Jan Hendrik Öpik, Ernest Julius oughtred, william Overweg, Adolf http://www.astro.uni-bonn.de/~pbrosche/unsorted/rough_bio_01.html

History of Astronomy Unsorted and roughly sorted links Roughly sorted links - Biographies (1) Please note that the links were found some time ago and may be outdated meanwhile. This list is not a permanent one. Any link may be moved or deleted without special announcement, and also this file may be deleted. Alexander Friedmann Jahrbuch fuer die Fortschritte der Mathematik Dirk Frimout (in German) Dirk Frimout (in French) ... ? Raleigh, Sir Walter navigation Ramsden, Jesse Reber, Grote Regiomontanus Reichenbach, Georg von ... Wolfgang R. Dick . Created: 20 Aug 2001. Latest update: 20 Feb 2002

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