_CORRESPONDANCE. 1687. 159 
; 2 D : Ne 2461. 
sir E W. VON TsCHIRNHAUS. 
_ 1687. 5 
pen PF; Il au INo. 2450. 
int a ;: meet de la Medicina Mentis. 
es ce ro) 
ain 5. fig. unicum A. in 6. fig. duo À & B. in 7. fig. tria CAB. 
| Dre five in eâdem reéta exiftant five non; five æquali 
re de 
+ D 
Fig. 6. 
Mules title ar 
diftent intervallo five inæquali, 
perinde eft. Affumatur jam in 5 fig. 
w)..  filum À B, alligatum in À, & conti- 
mnueturin B; in 6. fig. filum alligarum 
in À, per C continuetur in B, ubi 
pci dennd alligetur; in 7. fig. filum in À 
 alligatum continuetur in D, dehinc 
_ in B, poftea rurfus in D, & iterum 
-… dehinc in C, ubi etiam alligetur; in 
8. fig. continuetur ex A per E. B. E. 
C. E. ufque in D, atque ita in infini- 
tum: concipiantur jam ftylo quo- 
Left _ piamin 5. fig inB;in6.fig.inC; 
ME c. in gi ns nE. . omnia fila æqualiter in rectas extendi & ita 
more, eoque continuato, quo ufque fieri poteft, curvæ BCD, CDE, 
