TOOMER:PTOLEMY'S ALMAGEST, (DUCKWORTH)Ptolemy's "Almagest" is one of the most influential scientific works in history. A masterpiece of technical exposition, it was the basic textbook of astronomy for more than a thousand years, and still is the main source for our knowledge of ancient astronomy. This translation, based on the standard Greek text of Heiberg, makes the work accessible to English readers in an intelligible and reliable form. It contains numerous corrections derived from medieval Arabic translations and extensive footnotes that take account of the great progress in understanding the work made in this century, due to the discovery of Babylonian records and other researches. It is designed to stand by itself as an interpretation of the original, but it will also be useful as an aid to reading the Greek text. |
Contents
Layout of the proposed angles and arcs parallel by parallel | 122 |
BOOK III | 131 |
On the length of the year | 139 |
Copyright | |
98 other sections not shown
Common terms and phrases
ABGD advance Almagest amount Angle Hour Arc Angle West Angle apogee apparent Arabic tradition arc 2BA Arc East Angle arc EH calculations CAPRICORNUS centre circle about right-angled column computed constellation Corrected by Manitius corresponding chords Crd arc degrees diameter difference distance earth East Angle West eccentre ecliptic Egyptian calendar epicycle epoch equal equation of anomaly equinoctial hours equinoctial shadow fixed stars given gnomon Greek HAMA Heiberg Hence Hipparchus horizon Hour Arc East hypotenuse hypothesis increment interval latitude longest day lunar eclipses magnitude mean motion Mercury meridian moon moon's Nabonassar northernmost observations opposite parallax parallel Pedersen perigee planet poles Ptolemy Ptolemy's quadrant radius ratio rear rearmost revolution right angles right-angled triangle rising-times Scorpius semi-circle speed sphaera recta spring equinox subtends subtraction summer solstice sun's syzygy theorems time-degrees Venus West Angle Hour West Angle noon winter solsticial zenith ရာ