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Galileo explained, 78
Size of sacks contrary to common sense, 41
Heights measured, 87
Impetuosity of missiles measured, 137
Infinite points compose the line, 22
Double infinity of points, 17. 18
Bent lever, 118
Abstract lever, 117
Liquidity, from where it comes, 25
Light, whether it extends in an instant, 2
Light explained by movement, 28
Large machines, why they do not succeed, 2. 3. etc.
Fundamental maxim for natural movements, 185
Diverse ways to raise tones, 94
Measure of the force of the vacuum, 10. 11. etc.
Missiles make the parabolic figure, 228
Medium, how much it hinders movement, 59
Compound movement explained, 234
Equal movement, and its properties, 169. etc.
Violent movement and its nature, 226. etc.
Natural movement defined, 181
Movement would occur in a vacuum, 48. etc.
Movement of strings, 72
Navigation and its reason, 54
Amicable numbers, in the Preface.