[151.] Regula 5.

[152.] Demonſtratio.

[153.] Regula 6.

[154.] Demonſtratio.

[155.] Scholium.

[156.] Regula 7.

[157.] Scholium.

[158.] Exemplum 1.

[159.] Exemplum 2.

[160.] Digreſſus continens aliquas commentationes in Ma-chinam Hydraulicam quam repræſent at figura 51.

[161.] Regula 8.

[162.] Scholium.

[163.] Regula 9.

[164.] Scholium.

[165.] Scholium Generale.

[166.] (B) De machinis hydraulicis aquas ſine not abili impetu ex loco humiliori in altiorem tranſportantibus. Regula 10.

[167.] Demonſtratio.

[168.] Corollarium.

[169.] Scholium 1.

[170.] Scholium 2.

[171.] Scholium Generale.

[172.] Commentationes ſpeciales de Cochlea Archimedis.

[173.] Problema.

[174.] Solutio.

[175.] Scholium 1.

[176.] Scholium 2.

[177.] Scholium 3.

[178.] Scholium 4.

[179.] Problema.

[180.] Solutio.