GENERE EX SEX LENT. COMPOS. 211 



VIII. Hypothcfis ix — 6-,, ct wzi^. 



Diftantiae focalcs 

 P — T^^ 



4*8 V 



A a 



1 H4. 1; -f- 1 1 A a" i 





Apcrturac 



P P = C .V 



VV=:;.u 



Diamctcr fpatii confpiciu —^^a. 



Iiiterualla 



AB — Aa 

 nC=:^'-,Aa 

 CD—]:rj 

 DE^i-y 

 E F = c 

 FO— L^-y 



IX. Hypothcfis ix::z:^g ct ;;/: 



■ a 



Diftantiae fbcalcs 



^ Aa 



q:^-:,Aa 



;»7SD 



f 



Aa 



lOO 



• 17 A«' 



' 49 



1' — 1; 





Aperturac 

 P P = 2 .V 

 dQzzJ.Aa 

 RR — ;,a: 



VVzri-y 



Intcrualla 



AB — Aa 

 BC = :,Aa 



CD-\:v 

 T>E—v 

 EF — -y 

 F O—;^ r. 



Diamctcr fpatii confpicui —^a. 



21. Hypothcfes iftae indc funt natae , quod 

 pofuimus Q(^—\q opcrue igitur prctium erit alios 

 ^cafus euohiere. Hunc in finem ponamus in gencre 

 ffir::——''-^, et detcrminationcs erunt : 



Dd a 



P^ 



