A Critical Edition And Translation With Commentary Of John Pechams Tractatus De Sphera PDF Download

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God's Clockmaker

God's Clockmaker
Author: John North
Publisher: A&C Black
Total Pages: 462
Release: 2007-01-15
Genre: Science
ISBN: 1852855711

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Clocks became common in late medieval Europe and the measurement of time began to rule everyday life. God's Clockmaker is a biography of England's greatest medieval scientist, a man who solved major practical and theoretical problems to build an extraordinary and pioneering astronomical and astrological clock. Richard of Wallingford (1292-1336), the son of a blacksmith, was a brilliant mathematician with a genius for the practical solution of technical problems. Trained at Oxford, he became a monk and then abbot of the great abbey of St Albans, where he built his clock. Although as abbot he held great power, he was also a tragic figure, becoming a leper. His achievement, nevertheless, is a striking example of the sophistication of medieval science, based on knowledge handed down from the Greeks via the Arabs.


The A to Z of Medieval Philosophy and Theology

The A to Z of Medieval Philosophy and Theology
Author: Stephen F. Brown
Publisher: Scarecrow Press
Total Pages: 466
Release: 2010-03-23
Genre: Philosophy
ISBN: 1461731836

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The Middle Ages is often viewed as a period of low intellectual achievement. The name itself refers to the time between the high philosophical and literary accomplishments of the Greco-Roman world and the technological advances that were achieved and philosophical and theological alternatives that were formulated in the modern world that followed. However, having produced such great philosophers as Anselm, Peter Abelard, John Duns Scotus, William of Ockham, Peter Lombard, and the towering Thomas Aquinas, it hardly seems fair to label the medieval period as such. Examining the influence of ancient Greek philosophy as well as of the Arabian and Hebrew scholars who transmitted it, The A to Z of Medieval Philosophy and Theology presents the philosophy of the Christian West from the 9th to the early 17th century. This is accomplished through a chronology, an introduction, appendixes, a bibliography, and hundreds of cross-referenced dictionary entries on the philosophers, concepts, issues, institutions, and events, making this an important reference for the study of the progression of human thought.


Time in the Medieval World

Time in the Medieval World
Author: Colum Hourihane
Publisher: Penn State Press
Total Pages: 420
Release: 2007
Genre: Art
ISBN: 9780976820239

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This volume is a rich resource for the study of time as represented by the signs of the zodiac and occupations of the months, documented in the comprehensive files of the Index of Christian Art at Princeton University. The measurement and documentation of time has been a universal issue since the dawn of civilization&—and no more so than in the medieval period, when images representing the signs of the zodiac and occupations of the months were commonly used. Nature and the occupations or labors that each month brought were reflected in earthly calendars, while the movements of the heavens and their impact on mankind were recorded in the signs of the zodiac. The changing compositions that were used to represent these twin calendars in several hundred works of art are documented in this volume, which provides an unrivaled visual record for the student and scholar.


Routledge Revivals: Medieval Science, Technology and Medicine (2006)

Routledge Revivals: Medieval Science, Technology and Medicine (2006)
Author: Thomas F. Glick
Publisher: Taylor & Francis
Total Pages: 624
Release: 2017-07-05
Genre: History
ISBN: 1351676172

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First published in 2005, this encyclopedia demonstrates that the millennium from the fall of the Roman Empire to the Renaissance was a period of great intellectual and practical achievement and innovation. In Europe, the Islamic world, South and East Asia, and the Americas, individuals built on earlier achievements, introduced sometimes radical refinements and laid the foundations for modern development. Medieval Science, Technology, and Medicine details the whole scope of scientific knowledge in the medieval period in more than 300 A to Z entries. This comprehensive resource discusses the research, application of knowledge, cultural and technology exchanges, experimentation, and achievements in the many disciplines related to science and technology. It also looks at the relationship between medieval science and the traditions it supplanted. Written by a select group of international scholars, this reference work will be of great use to scholars, students, and general readers researching topics in many fields, including medieval studies, world history, history of science, history of technology, history of medicine, and cultural studies.


Studies in Medieval Astronomy and Optics

Studies in Medieval Astronomy and Optics
Author: J.L. Mancha
Publisher: Taylor & Francis
Total Pages: 353
Release: 2023-07-21
Genre: History
ISBN: 1000944492

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In this selection of studies, J.L. Mancha explores aspects of the development of medieval optics and astronomy, including some medieval antecedents of the work of early modern astronomers. The articles deal with Latin, Hebrew and Arabic texts, and the process of translation and transmission of knowledge, and focus on three main themes. First, the theory and astronomical use of the pinhole camera in the 12th and 13th centuries; the texts edited here contain a solution to the problem of the formation of images cast by light through triangular apertures, equivalent to Kepler's, a description of the correct procedure for measuring solar apparent diameters using finite apertures, and a derivation of the Sun's eccentricity from its apparent diameters at apogee and perigee. Second, the characteristics of the Latin and Provençal versions of Levi ben Gerson's astronomical work, composed in collaboration with the author, as well as his tables and canons for finding syzygies and the mathematical methods used in the derivation of parameters. Third, different aspects of the survival of homocentric astronomy in the Middle Ages, especially al-Bitruji's model for trepidation and the technique for calculating the hippopede resulting from Eudoxan couples.