Chapter I: Philosophy of Gravitation

PAGE ART. 1. GRAVITATION 1 " 2. CAUSE OF GRAVITATION 1 " 3. NEWTON'S RULES OF PHILOSOPHY 3 " 4. FIRST RULE OF PHILOSOPHY 3 " 5. SECOND RULE OF PHILOSOPHY 4 " 6. THIRD RULE OF PHILOSOPHY 7 " 7. APPLICATION OF RULES TO GRAVITATION 9 " 8. ANALYSIS OF LAW OF GRAVITATION 9 " 9. PRIMITIVE IMPULSE 10 " 10. CENTRIPETAL FORCE 12 " 11. CENTRIFUGAL FORCE 13 " 12. NEWTON'S LAWS OF MOTION 15 " 13. FORCE 16 " 14. FIRST LAW OF MOTION 16 " 15. SECOND LAW OF MOTION 19 " 16. THIRD LAW OF MOTION 20 " 17. SUMMARY OF CHAPTER 22

CHAPTER II

PHILOSOPHY OF GRAVITATION--(_continued_)

ART. 18. GRAVITATION ATTRACTION 24 " 19. UNIVERSALITY OF GRAVITATION 24 " 20. DIRECTION OF THE FORCES 26 " 21. PROPORTION OF THE FORCES 26 " 22. LAW OF INVERSE SQUARES 27 " 23. TERRESTRIAL GRAVITY 29 " 24. CENTRIFUGAL FORCE 30 " 25. KEPLER'S LAWS 32 " 26. FIRST LAW OF KEPLER 33 " 27. SECOND LAW OF KEPLER 36 " 28. THIRD LAW OF KEPLER 37

CHAPTER III

MATTER

ART. 29. WHAT IS MATTER? 40 " 30. CONSERVATION OF MATTER 42 " 31. MATTER IS ATOMIC 42 " 32. WHAT IS AN ATOM? 43 " 33. THE ATOMIC THEORY 44 " 34. KINDS OF ATOMS 44 " 35. ELEMENTS OF MATTER 47 " 36. THREE KINDS OF MATTER 47 " 37. MATTER IS GRAVITATIVE 50 " 38. MATTER POSSESSES DENSITY 51 " 39. MATTER POSSESSES ELASTICITY 51 " 40. MATTER POSSESSES INERTIA 52

CHAPTER IV

AETHER

ART. 42. AETHER IS MATTER 54 " 43. AETHER IS UNIVERSAL 58 " 44. AETHER IS ATOMIC 59 " 45. AETHER IS GRAVITATIVE 64 " 46. AETHER POSSESSES DENSITY 71 " 47. AETHER POSSESSES ELASTICITY 74 " 48. AETHER POSSESSES INERTIA 76 " 49. AETHER IS IMPRESSIBLE 78 " 50. AETHER AND ITS MOTIONS 80

CHAPTER V

ENERGY

ART. 51. ENERGY 83 " 52. CONSERVATION OF ENERGY 84 " 53. TRANSFORMATION OF ENERGY 86 " 54. POTENTIAL ENERGY 87 " 55. KINETIC ENERGY 89 " 56. ENERGY AND MOTION 91 " 57. CONSERVATION OF MOTION 92 " 58. TRANSFORMATION OF MOTION 93 " 59. MOTION AND WORK 95

CHAPTER VI

HEAT, A MODE OF MOTION

ART. 60. HEAT, A MODE OF MOTION 98 " 61. HEAT AND MATTER 100 " 62. RADIATION AND ABSORPTION 104 " 63. HEAT IS A REPULSIVE MOTION 107 " 64. RADIANT HEAT 109 " 65. DIRECTION OF A RAY OF HEAT 111 " 66. LAW OF INVERSE SQUARES 112 " 67. FIRST LAW OF THERMODYNAMICS 114 " 68. SECOND LAW OF THERMODYNAMICS 116 " 69. IDENTITY OF HEAT AND LIGHT 119

CHAPTER VII

LIGHT, A MODE OF MOTION

ART. 70. LIGHT, A MODE OF MOTION 122 " 71. TRANSVERSE VIBRATION OF LIGHT 130 " 72. REFLECTION AND REFRACTION 135 " 73. THE SOLAR SPECTRUM 139 " 74. DIRECTION OF A RAY OF LIGHT 144 " 75. INTENSITY OF LIGHT 145 " 76. VELOCITY OF LIGHT 148 " 77. DYNAMICAL VALUE OF LIGHT 150 " 78. ELECTRO-MAGNETIC THEORY OF LIGHT 155

CHAPTER VIII

AETHER AND ELECTRICITY

ART. 79. ELECTRICITY, A MODE OF MOTION 162 " 80. ELECTRIC FIELD 166 " 81. ELECTRIC INDUCTION 174 " 82. ELECTRIC ENERGY 179 " 83. ELECTRIC RADIATION 182 " 84. LAW OF INVERSE SQUARES 184 " 85. SECOND LAW OF ELECTRICITY 186

CHAPTER IX

AETHER AND MAGNETISM

ART. 86. ELECTRO-MAGNETISM 192 " 87. THE EARTH A MAGNET 195 " 88. THE SUN AN ELECTRO-MAGNET 199 " 89. FARADAY'S LINES OF FORCE 203 " 90. TERRESTRIAL MAGNETISM 206 " 91. SOLAR MAGNETS 211 " 92. CAUSE OF ROTATION OF THE EARTH ON ITS AXIS 219 " 93. VORTEX MOTION 221 " 94. RELATIVE MOTION OF AETHER AND MATTER 224 " 95. VIBRATIONS IN THE ELECTRO-MAGNETIC THEORY OF LIGHT 228

CHAPTER X

AETHER AND NEWTON'S LAWS OF MOTION

ART. 96. AETHER AND CENTRIFUGAL FORCE 232 " 97. AETHER AND CENTRIPETAL FORCE 236 " 98. AETHER AND NEWTON'S FIRST LAW OF MOTION 239 " 99. AETHER AND NEWTON'S SECOND LAW OF MOTION 244 " 100. AETHER AND NEWTON'S THIRD LAW OF MOTION 251 " 101. WHY PLANETS REVOLVE FROM WEST TO EAST 253

CHAPTER XI

AETHER AND KEPLER'S LAWS

ART. 102. AETHER AND KEPLER'S FIRST LAW 256 " 103. AETHER AND KEPLER'S SECOND LAW 260 " 104. AETHER AND KEPLER'S THIRD LAW 263 " 105. ORBITAL MOTION OF PLANETS 266 " 106. ECCENTRICITY OF THE MOON'S ORBIT 268 " 107. THE SUN AND KEPLER'S FIRST LAW 270 " 108. THE SUN AND KEPLER'S SECOND LAW 274 " 109. AETHER AND THE PLANE OF THE ECLIPTIC 277 " 110. AETHER AND THE CENTRIPETAL FORCE 282

CHAPTER XII

AETHER AND COMETS

ART. 111. WHAT IS A COMET? 291 " 112. ORBITS OF COMETS 293 " 113. KINDS OF COMETS 296 " 114. PARTS OF A COMET 298 " 115. CENTRIFUGAL FORCE AND COMETS 300 " 116. FORMATION OF TAILS 303

CHAPTER XIII

AETHER AND STARRY WORLD

ART. 117. STARRY WORLD 306 " 118. STARS AND KEPLER'S LAWS 309 " 119. AETHER AND NEBULAE 313 " 120. WHAT IS A NEBULA? 314 " 121. AETHER AND NEBULAR HYPOTHESIS 317 " 122. KINDS OF NEBULAE 319

CHAPTER XIV

AETHER AND THE UNIVERSE

ART. 123. THE UNIVERSE 323 " 124. UNITY OF THE UNIVERSE 326 " 125. CONSTITUTION OF MATTER 334 " 126. QUOD ERAT FACIENDUM 337 " 127. GOD AND THE UNIVERS 342

APPENDIX 349 INDEX 351

AETHER AND GRAVITATION