424^ 



D E M O T V 



flrum problcma acconfimodabimii?, fi dirtantianri lArtf^ 

 euanefcentcm fimirlque tubum in A« claulum fta-; 

 tuamus quoniam enim tonus in vertice per fe clau- 

 ditur ibi certe acr nuUum morum concipcre potcft. 

 Ex quo primum pro continuatione fcalae denfitatum 

 quaefiio huc fedit, vt ex hac aequationc 



-X X 



z — —y-i- le" fe' d y 

 Talor ipfius * definiatur cafu quo a zr o, quod cum 

 ob expoajetotem |- infioitum minus pateat ad aequa- 

 tionem differentialem . ' '", 



adz-\- idx — ady -\-y dxzzq 



confiigiamus , vnde ob azzo manifcfto fequitur 

 2f— — y, ita vt fcala denfitatum v^xi ad partcm 

 contrarinm applicnri deU-at , kcus a^ fiipra pcr eua- 

 iiefccntiam interualli Stzo dectpti fec^nnis Deiiide 

 vero pro fcala ccleriuJtum cx acquationc ciff. rcn- 

 tiali 



ad z-\-zd x-^ ady —y d xzz o ob a — o 



deducimus zzzy , ita vt hacc fcala ad eandcm axis 

 partera confiitui di-bcai \traqiie fciljctt ccntinuatio ca- 

 Tab. IX. dcm legc perngitur ac fi tubi;s cfllt apcrtus. Hinc 

 Fig. io5.ergo poltrcnia cuo^u^tio in probl. 94- iia cmendabitur 

 vt cum fcalae jn contrarias pjagas cadaiu atqpe in- 

 figura funt repraclentatae claplu tcmpore / — ^.A ^ 

 fiai I' m' - o , /' < - 4- D F axca A /' lu' zz^^ A ffi d 

 — A M D quia hic duplex figni nnuat.o ficri debct 

 altera quateaus hacc arca vJtra A , altcra quatcnus 



int» 



