Full text: Correspondance (Tome 2)

CVI. - JDIN 1660. 
447 
Bisecetur latus rectum AC in B et axi AE ponatur in directum 
recta EF aequalis rectae AB seu dimidio recti lateris, et jungatur DF. 
Exponatur separatim recta IQ {fig. 96) aequalis axi AE, cujus 
dupla sit recta IR; fiat 
ul FE sive AB ad DF, ita recta QI ad rectam QH, 
et a puncto H ducatur HG perpendicularis ad HIR, et fiat HG aequalis 
rectae DE. Per punctum I tanquam verticem describatur hyperbole 
cujus transversum latus sit recta IR, centrum Q, et transeat hyperbole 
per punctum G et sit IG. 
Describatur item alia hyperbole separatim {fig. 96), cujus transver 
sum latus MN sit aequale quartae parti recti paraboles lateris, hoc est 
Fig. 96. 
R T 
e 
quartae parti rectae AC; centrum vero sit V, rectum latus OYP 
aequale transverso lateri. Sit autem hyperbole ita descripta MK, 
cujus vertex M, axis ML qui continuetur donec recta ML sit aequalis 
axi paraboles AE, et ducatur perpendicularis seu applicata LK. A rec 
tángulo sub QH in HG deducantur duo spatia hyperbolica IGH, MKL, 
quorum quadraturae supponuntur, et quod supererit aequetur qua 
drato.
	        
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