[Figure 71]

[72] Metarum & obeliſci deformatio.

[Figure 73]

[74] Simarecta.

[75] Sima inuerſa.

[76] Stylobatæ reſilientis affiguratio.

[Figure 77]

[Figure 78]

[Figure 79]

[Figure 80]

[81] Lateranenſis & Mutinenſium marmorum ſormæ.

[Figure 82]

[83] Incumbæ forma.

[84] Perpendiculi figura.

[85] Spicatum opus.

[86] Teſtudo.

[87] Fornix.

[88] Hemiſphærium.

[89] Lunulata camera.

[90] Libra, ſiue libella.

[Figure 91]

[92] Scalæ cochlides.

[93] Scalæ rectæ itionis.

[94] Hemicylindri repræſentatio.Y B C H B K N M P A D C

[95] Meſolabii affiguratio.B D G C B F D H M G Q N T O F B M P

[96] Aſpectuum figura.A D aſpect{us} trigon{us}. A C aſpect{us} tetragon{us}. A B aſpect{us} hexagon{us}. A E aſpect{us} diametralis. C D B E A

[97] Cuneoli in formam lapidis coniecti cum anſa.

[98] Ergatæ.

[Figure 99]

[100] Sucula.