[21.] De perductionibus aquarum.

[22.] .L. VICTRVVIIPOL. LIBER NONVS IN QVO DIS SERIT DE GNOMONICIS REBVSET RATIONIbus HOROLOGIORVM nunc AVTEM DE SCRIPToRVM ueneratione.

[23.] De Norma

[24.] De cæteris ſideribus a dextra & leua zodiact

[25.] De ſideribus ad leuam zodiad.

[26.] De Horologiorum ratione # & uſu at corum inuentione

[27.] VICTRVVII POLLIONIS LIBER DECIMVS IN QVO DE MACHIN ATIONIBVS RATIOCINATVR.

[28.] Aliud machine ſubtilius genus.

[29.] De lapidicinarum inuentione

[30.] De organo ℞ ad aquā h@ubiédá genenibuſ & primú d típano.

[31.] De rotis & tympanis admolendum farinam

[32.] De cocleæ ratione

[33.] De Etheſibica machina

[34.] De hydraulicis

[35.] Qua ratione rheda uel naui uecti peractú iter dimetiamur.

[36.] De baliſta℞ rationibus.

[37.] De ponde℞ mittendo℞ ad baliſtã ꝓportione.

[38.] De baliſta℞ Catapulta℞ cótentionibus & temperamentis

[39.] De oppugnatoriis & deſenſoriis rebus & primú de Arietis in uentione eiuſ machina

[40.] De teſtudine ad congeſtionem ſoſſarum paranda.

[41.] De aliis teſtudinibus.

[42.] Totius operis peroratio.

[43.] .L. VICTRVVII POLLIONIS DE ARCHITECTVRA FINIS. 10.Sulpitius lectori ſalutem.

[44.] Regiſtrum ſoliorum.