beantdaufum,rcdrineulloi>bice &fine ullls riplspatcanto* 

 mnia, libereque pcr planum & apertum folum aquasdif- 

 fundantur, ufqiie ad cxtremas oras a Iibratore in pifcinis 

 praefcriptas. 



CAP. lU 



S)e Lihrnndis aquU in pifcinls, iM^ in/lrumentis aJ 



hHnc ufum affofttu^ 



Llbratoris officium efi^ut is locum poncndis pifcinis ap- 

 tum crebra itione infpedtionec)uerevifat;&poftcaquarn 

 ille faepius infpe^tus fatis placuerit, tum deindejlibellisaqua- 

 rijs advocatis,futurumutiniIloaquarumfa(ligium perlibret: 

 ac mox judicct, quaro alte, pro faftigio aquarum reftagnaa- 

 lium, agger in pifcina attoUi debeat. Libranturautemaquae, 

 Vitruvio authorcDioptris, aut Libris aquarijs, aut Choro- 

 bate. Sed diligentius id effici idem VitruviusperChoroba- 

 tem ait, quod Dioptras Libr;3eque fallant. Ejus Chorobatis 

 cxemplarlib.viii. benc roultisverbis,& ipfoinfuper fchcma- 

 te, depingit^ Habemus nos quoque illuni in ulu quafi pro- 

 mifcuoj licutlibras etiam,ficut item Dioptras,abeodemdc- 

 fcriptas. Scd quifnam eft, qui Chorobatem longum circitcr 

 pedum viginti, facilc fecumper vias circumtcrat^ Igiturnos 

 Dioptrsemachinulamjhaud majorcm palroisduobus, qualera 

 vclinipfacrumenulaquifqifecumjquoquoiibitumfueritjgc- 

 itare,acftatimpifcinammetiripotcrit5inmedium producemus. 

 Ealicconficitur.Lamellaex3Pre,autc fcrro,Ionga digitos fe- 

 ptcm veiodtOjlatadigitumannularcmjSequifirimolievoreduci- 

 turjeiqjanconesinexrremiscapitibusjsequaiiitem modol^vi- 

 gati atqueinmcdiopertercbrati.iitvifum tranimittant, appo. 

 giunturtpoftinlaiteiemediovir^uiakricaproaiincijatqueor. 



bicu- 



