On the Criteria in Harmonics. What is the Purpose of the Harmonicist? How Highness and Lowness in Sounds Exists. On Notes and Their Differences. On the . Ptolemy Harmonics: Translation and Commentary (Mnemosyne, Bibliotheca Classica Batava) [Robert D Novak Professor of Western Civilization and Culture Jon. Scientific method in Ptolemy’s Harmonics / Andrew Barker. p. cm. Includes bibliographical references and indexes. ISBN 0 5. 1. Ptolemy, 2nd cent.

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He relied somewhat on the work of an earlier geographer, Marinos of Tyreand on gazetteers of the Roman and ancient Persian Empire. This was one of the early statements of size-distance invariance as a cause of perceptual size and shape constancy, a view supported by the Stoics.

Mnemosyne Supplements Online, Ptole,y The astronomer would also have had a praenomenwhich remains unknown. My library Help Advanced Book Search.

Project MUSE – Scientific Method in Ptolemy’s Harmonics (review)

More Options Prices excl. Other editions – View all Harmonics Ptolemy Snippet view – This page was last edited on 19 Decemberat As a source of reference, the Tetrabiblos is said to have “enjoyed almost the authority of a Bible among the astrological writers of a thousand years or more”.

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Ptolemy I Soterthe first king of the Ptolemaic Kingdom. A collection of one hundred aphorisms about astrology called the Centiloquiumascribed to Ptolemy, was widely reproduced and commented on by Arabic, Latin and Hebrew scholars, and often bound together in medieval manuscripts after the Tetrabiblos as a kind of summation.

Ptolemy wrote in Koine Greek and can be shown to have utilized Babylonian astronomical data. Thus explanations of a sort are provided for the astrological effects of the planetsbased upon their combined effects of heating, cooling, moistening, and drying. The commentary offers a full exegesis of the text, loci paralleli, and citations of modern scholarly sources.

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Catalog Record: Ptolemy Harmonics : translation and commentary | Hathi Trust Digital Library

However, Pythagoras believed that the mathematics of music should be based on the specific ratio of 3: The first part of the Geography is a discussion of the data and of the methods he used. Index of Greek Terms EgyptRoman Empire. The great popularity that the Tetrabiblos did possess might be attributed to its nature as an exposition of the art of astrology, and as a compendium of astrological lore, rather than as a manual. Ptolemy’s comprehensive treatises on astronomy and geography were influential for nearly two millennia.

In the second part of the Geographyhe provided the necessary topographic lists, and captions for the maps. Project MUSE promotes the creation and dissemination of essential humanities and social science resources through collaboration with libraries, publishers, and scholars worldwide.

Librarian administrators click here. The identity and date of the actual author of the work, referred to now as Pseudo-Ptolemyremains the subject of conjecture.

Because of its reputation, it was widely sought and was translated twice harmomics Latin in the 12th centuryonce in Sicily and again in Spain. In it, Ptolemy writes about properties of lightincluding reflectionrefractionand colour. This is called Pythagorean tuning because it was first discovered by Pythagoras.

Planetary Harmonics of Speculative Markets.

For the most part, he follows the order of Ptolemy’s text closely, providing historical background information in excursus form.

This is so even ptolmy one disagrees with Barker’s claims concerning Ptolemy’s methodology. If you had a personal account on the old platform, click here.

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See also Ancient Greek units of measurement and History of geodesy. It is now believed to be a much later pseudepigraphical composition. Following Marinos, he assigned coordinates to all the places and geographic features he knew, in a grid that spanned the globe. TIPS To ensure the functioning of the site, we use cookies. Barker provides a detailed analysis, together ptokemy an exposition of the historical and technical information needed for a non-specialist to follow both his and Ptolemy’s argument.

Certainly, all of them wrote in Greek and were part of the Greek intellectual community of Alexandria. It speaks in general terms, avoiding illustrations and details of practice.

Ptolemy does not seem to deliver even on the vague terms. Atlas portal Astronomy portal Cosmology portal. He offered ptllemy obscure explanation of the sun or moon illusion the enlarged apparent size on the horizon based on the difficulty of looking upwards. It is, indeed, presented as the second part of the study of astronomy of which the Almagest was the first, concerned with the influences of the celestial bodies in the sublunary sphere.

Book titles OR Journal titles. He estimated the Sun was at an average distance of 1, Earth radii, while the radius of the sphere of the fixed stars was 20, times the radius of the Earth.