§. 24. Hinc igitiir patct , fl tota tcrr.i contiiuio 

 occano eflet obdii<fla, tum fcrrper fore conflaiitem c—o, 

 in qiiocunqiie loco cncli ambo luininaria vcrrcntur, ita vt 

 pro hac hvpothefi fcmper valc:it illa acquaiio: 



C — w (3 cof. Cp» - i) _f_ ;» (3 col'. \p* - 1) 



4- v^cof. v|/(5 ccf. \iy'- 3), 



vnde pro fingulis Terrae locis eleuatio aquae fupra IJbel- 

 lam in pedibus panrmis dcfiniri poierit. Scilicet fi valor 

 ipfius V prodeat pofitiuiis) , clcuatio fupra hbcllam natura- 

 lcm indicabitur; vbi autcm obtinuciit valorcm nc£^.itii)uin, 

 ibi dcprcffio infra libcllam indicabitur II.icc autcm omuia 

 intclligcnda fiint de fiatu acquilibrii, quem a(flio liimiiiari- 

 um Tcrrac cflct indu(ftura, fi tam Terra quam ipfa lumi- 

 paria perpetuo in codcm loco quiefccrent. la hac igitur 

 bypoihtfi lcquens Problcma refolui poterir. 



Problcma. 



r ^«25. Tn hypothcfi Tcrrae qnicfccntis et occano 



continuo ciicumdatac, fi dentur m coclo ioca Solis ct I-u- 

 Dae, >bi pcr aliquot tempiis commoiari concipi dcbcnt, 

 \t toius Occanus (c ad fiatum atquilibni componcrc pof- 

 fit. in oninibus Tcrrac locis fiuc clcu.itioncm fiuc dcprcs- 

 fioncm aquac fupra vcl infia hbtliain naturalcin dctcr* 

 ininarc. 



Sol tio. 



TaK V. Pcfcrat circnlus Al-. RF fiipcrficicm Tcrrac, vbi \ 



^'&- 7- et B fit t Pdli bortalis ct aufiralis, femicirculus vcroAKB 



rtpracfcntct primum nicridianum , tum vcro puncf^a S ct 



L ca iint loca, qu.bus Sol tt Luna vcrtitahicr iinnimcnnt, 



pro 



