[71.] Definitio 1.
[72.] Definitio 2.
[73.] Definitio 3.
[74.] Definitio 4.
[75.] Experimentum 1.
[76.] Experimentum 2.
[77.] Definitio 5.
[78.] Definitio 6.
[79.] Experimentum 3.
[80.] Experimentum 4.
[81.] Experimentum 5.
[82.] Experimentum 6.
[83.] Definitio 7.
[84.] Experimentum 7.
[85.] Experimentum 8.
[86.] Experimentum 9.
[87.] Experimentum 10.
[88.] Experimentum 11.
[89.] Experimentum 13.
[90.] SCHOLIUM De centro Gravitatis.
[91.] De Centri gravitatis inveſtigatione.
[92.] SCHOLIUM 2. Arithmetica Mechanica.
[93.] CAPUT X. De Vecte, Machinarum ſimplicium prima. Definitio 1.
[94.] Experimentum 1. 2. & 3.
[95.] Experimentum 4.
[96.] Experimentum 5.
[97.] Experimentum 6.
[98.] Experimentum 7. & 8.
[99.] Experimentum 9
[100.] CAPUT XI.