The Principles of the Earth
The principles of phenomena on Earth according to Descartes
The Formation of the Earth
Articles 1-5
The 3 Regions of the Earth
Articles 6-9
The Matter of the Earth
Articles 10-14
The Motion Of the Air-Aether Globules
Articles 15-19
Liquid Properties and Surface Tension
Articles 18-19
The Second Action of Air-Aether: Gravity
Articles 20-23
The Effect of Gravity on Bodies
Articles 24-27
How Does Light Move Air Particles?
Articles 28-31
The 3 Kinds of Terrestrial Particles
Articles 32-36
The 3 Kinds of Terrestrial Particles
Articles 37-39
The Mountains, Seas, and the Air
Articles 40-47
The Nature of Physical Air
Articles 40-47
The Nature of Water
Articles 48-49
The Tides and the Moon
Articles 50-56
The Nature of the Earth's interior
Articles 57-63
The Origin of Springs
Articles 64-71
The Origin of Metals
Articles 72-79
The Nature of Fire
Article 80-86
Fire Produced from Objects
Article 87-91
Fire from Dried Leaves
Article 92
How a Candle Burns
Article 95
Why Some Things Burn and Others Do Not
Article 102-108
Gunpowder made of sulfur, saltpeter, and charcoal
Articles 109-119
Lamps that burn for a long time
Articles 116-119