Clavis Astrologiae Elimata, or, A Key to the Whole Art of Astrology New Filed and Polished: In Three Parts

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Clavis Astrologiae Elimata, or A Key to the Whole Art of Astrology (1676) is the enlarged second edition of Henry Coley's comprehensive astrological encyclopaedia, first published in 1669. Coley, who was the principal student and designated successor of William Lilly, covers all branches of the art in three parts: the principles of astrology including signs, planets, and aspects; horary and electional judgements; and natal astrology including directions and revolutions. The work includes the Rudolphine astronomical tables and was dedicated to Elias Ashmole, with an endorsing preface by William Lilly himself, making it the most authoritative continuation of the Lilly tradition.

Also known asA Key to the Whole Art of Astrology · Clavis Astrologiae
This edition1676
EditionSecond edition, much enlarged and amended. Printed for Benj. Tooke and Tho. Sawbridge, London, 1676. Dedicated to Elias Ashmole.

Contents80 chapters

  1. 01Title Page
  2. 02To the Reader
  3. 03The Preface to the Reader
  4. 04The Introduction
  5. 05Part I: Foundations of Astrology
  6. 06Chapter I: Of the Twelve Signs, and Their Manifold Divisions
  7. 07Chapter II: Of the Aspects of the Planets as They Move through the Signs
  8. 08Chapter III: Of the Description, and Signification of the Twelve Signs
  9. 09Chapter IV: Of the Names, Characters, Antiscions, Houses, Joys, Orbs, and Latitudes of the Planets
  10. 10Chapter V: Of the Natures, Descriptions, and Significations of the Seven Planets in General
  11. 11Chapter VI: Of the Particular Descriptions and Dispositions the Planets Give in the Twelve Signs
  12. 12Chapter VII: Of the Diseases the Planets Naturally Signifie in the Twelve Signs
  13. 13Chapter VIII: Of the Herbs and Plants Appropriated to the Government of the Planets
  14. 14Chapter IX: Of the Essential and Accidental Dignities of the Planets
  15. 15Chapter X: Of the Terms of Art Which Ought to Be Well Understood by Every Student
  16. 16Chapter XI: How to Add and Subtract Astronomical Fractions, and Project the Part of Fortune
  17. 17Chapter XII: How to Understand an Ephemeris, and Set a Scheme of Heaven
  18. 18Chapter XIII: Of the Twelve Houses of Heaven, and Their Astrological Signification
  19. 19Chapter XIV: Why the Heavens Are Divided into Twelve Houses, and No More
  20. 20Chapter XV: Why the Twelve Houses Have the Significations Attributed unto Them
  21. 21Chapter XVI: Of Divers Things to Be Considered for the Better Judging of a Horary Question
  22. 22Part II: Horary Questions, Elections, and Mundane Predictions
  23. 23Chapter I: Questions with Astrological Judgements upon the First House
  24. 24Chapter II: Questions and Judgements Proper to the Second House
  25. 25Chapter III: Questions and Judgement Proper to the Third House
  26. 26Chapter IV: Questions and Judgements Appertaining to the Fourth House
  27. 27Chapter V: Questions and Judgements Belonging to the Fifth House
  28. 28Chapter VI: Judgements and Interrogations Proper to the Sixth House
  29. 29Chapter VII: Judgement upon Questions Proper to the Seventh House
  30. 30Chapter VIII: Judgement and Questions Proper to the Eighth House
  31. 31Chapter IX: Judgements and Questions Appertaining to the Ninth House
  32. 32Chapter X: Judgements and Interrogations Proper to the Tenth House
  33. 33Chapter XI: Judgement Proper to the Eleventh House
  34. 34Chapter XII: Judgement Proper to the Twelfth House
  35. 35Chapter XIII: Examples of the Judgement of Questions upon Each of the Twelve Houses
  36. 36Chapter XIV: Of the Planetary Hours and Elections
  37. 37Chapter XV: Of Astral Predictions of Mundane Affairs, or the General Accidents of the World
  38. 38Chapter XVI: Of the Natural Signification of Each Planet as Lord of the Year
  39. 39Chapter XVII: Of Eclipses, and the Natural Causes and Reasons Thereof
  40. 40Chapter XVIII: Of the Natural Portents and Significations of Eclipses
  41. 41Chapter XIX: How to Prognosticate of the Winds and Weather from the Conjunctions and Aspects of the Planets
  42. 42Chapter XX: Ptolemy's Centiloquium Englished
  43. 43Chapter XXI: Hermes Trismegistus His Centiloquium in English
  44. 44Chapter XXII: Bethem's Centiloquium Englished
  45. 45Chapter XXIII: Brief Rules to Compute the Stars or Planets Southing, Rising, and Setting
  46. 46Part III: Trigonometry, Nativities, Directions, and Revolutions
  47. 47Chapter I: A Compendium of Trigonometry
  48. 48Chapter II: Useful Precepts in Order to the Calculation of a Nativity
  49. 49Chapter III: Of a Nativity, and the Several Ways of Rectification Thereof
  50. 50Chapter IV: How to Set a Figure by Resolving the Oblique Spherical Triangle with the Cadence of a Perpendicular
  51. 51Chapter V: How to Set a Figure the Rational Way without the Cadence of a Perpendicular
  52. 52Chapter VI: How to Aequate for the Odd Minutes of the Circle of Position
  53. 53Chapter VII: Necessary Considerations before Judgement upon a Nativity
  54. 54Chapter VIII: Of the Signification of the Planets as Rulers of the Several Houses in a Nativity
  55. 55Chapter IX: Of the General Signification of the Aspects of the Planets in a Nativity
  56. 56Chapter X: How to Make or Frame an Astrological Judgement upon the Twelve Houses of a Nativity
  57. 57Chapter XI: A Speculum of the Nativity and the Dignities and Debilities of the Planets
  58. 58Chapter XII: Judgement Astrological upon the First House of the Exemplary Figure
  59. 59Chapter XIII: Judgement upon the Second House
  60. 60Chapter XIV: Judgement upon the Third House
  61. 61Chapter XV: Judgement upon the Fourth House
  62. 62Chapter XVI: Judgement upon the Sixth House
  63. 63Chapter XVII: Judgement upon the Seventh House
  64. 64Chapter XVIII: Judgement upon the Fifth House
  65. 65Chapter XIX: Judgement upon the Ninth House
  66. 66Chapter XX: Judgement Deduced from the Tenth House
  67. 67Chapter XXI: Judgement upon the Eleventh House
  68. 68Chapter XXII: Judgement upon the Twelfth and Eighth Houses of the Exemplary Scheme
  69. 69Chapter XXIII: Of Directions of Significators to Their Several Promittors
  70. 70Chapter XXIV: Of Directions in Nativities, and Their Effects, According to Morinus
  71. 71Chapter XXV: Of the Measure of Time in Directions
  72. 72Chapter XXVI: Examples of Finding the Declinations and Right Ascensions of the Planets
  73. 73Chapter XXVII: Examples of Taking the Distance of Each Planet from the Meridian in Right Ascension
  74. 74Chapter XXVIII: Examples of Finding the Poles Elevation above the Circles of Position
  75. 75Chapter XXIX: Examples of Directing the Five Hylegiacals in the Exemplary Geniture
  76. 76Chapter XXX: How to Rectifie and Direct a Nativity According to John Kepler
  77. 77Chapter XXXI: Of the Revolution of the Sun to His Radical Place in Any Person's Nativity
  78. 78Chapter XXXII: How to Direct a Revolutional Figure
  79. 79Chapter XXXIII: Of Profections
  80. 80Chapter XXXIV: Of Transits, and Their Effects

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