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# Title: Leibniz-Handschriften zur Mathematik LH 35, 9, 2
# Folio 75v, page id 00068126:0150
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in differenter tractantur, hunc sequitur permutatis licet focis
ut alter pro altero centrum circulationis attractionisque fiat
eandem in quovis puncto manere rationem circulationis
ad decensum seu ad vel ocidatem paracentricam. Jau
ex puncto ellipseos 3 Magatur in axem ordinata
Mormalis (cilitet) 3 MY natet (19no) rectang; ex 3M)
vis
in FO aequari duplo Triangulo 3 MOF adeoque (per 12 veli
aequari (20 mo) ipsi BC in dimid. SF qu-5 qu’seubris
1i5, 3 M Y in FO est ad Be qu. ut (0F - 08 est ad B6
Sed et (per 16) erat velocitas circulationis ad Paracentricam
ut 0F qu= 0∞ qu’ad Be ideo fiet (20 mo) para centrica
velocitas adcirculatoriam in ellipse, utbis 3 MY in FC
ad BCqu. Seu ut dupla ordinata ad distantia focorum
et aximenori tertiam proportionalem. Et proindes mo
in ellipsi rationes velocitatum  paracentricarum 
afocum resplecentiura ad circulatorias respondenter sunt
ordinatis proportionales seu quod idem est rationes
velocitatis qua planeta accedit ad solem aut ab eo recedit
ad velocitatem ejusdem simul circulandi circa solem
sunt distantiis planeta a linea absidum proportionales.
Atque ita si una ratio accessus recessus ad eoexistentem
circulationem sit duplicata vel triplicata (etc.) rationis quam
alius accessus vel refessus habet ad circulatione.
sibi eo existentem; erit logarithmus ordinatae à priori
mobilis loco in axam ductae duplus vel triplus logaritm
ordinatae a posteriori mobilis loco in axem duetae. Rationes
Scilicet