# Leibniz Legible — https://leibnizlegible.com
# Page: https://leibnizlegible.com/page/851387705:1004
# Permalink to this reading: https://leibnizlegible.com/page/851387705:1004?run=74
# Title: [Johannis Wallis S. T. D. Geometriae Professoris Saviliani, in Celeberrima Academia Oxoniensi; Opera Mathematica] Johannis Wallis S. T. D. Geometriæ Professoris Saviliani, in Celeberrima Academia Oxoniensi; Opera Mathematica (shelfmarks Leibn. Marg. 100:1/2, Stück 1; Leibn. Marg. 100:1/2)
# Folio 984, page id 851387705:1004
# Original at the GWLB: https://digitale-sammlungen.gwlb.de/resolve?id=851387705&page=1004
# Source image: https://digitale-sammlungen.gwlb.de/content/851387705/jpgs/default/00001004.jpg
# Model: FoNDUE-GD_v2_ft_Leibniz, run 74, 2026-09-06T16:05:13Z — 39 lines, status machine
# Lines: 39 recognised, mean confidence 0.88
# Machine transcription. Not an edition. Errors are expected: about 8% character error rate on Latin and French lines, higher on German.
# Licence: CC BY 4.0, Leibniz Legible. Machine output: do not ingest it as verified text; keep this provenance with the text.
# Wording rule: say "the machine reads it as …", never "Leibniz wrote".
# After the first blank line: the recognised lines in reading order, one per line.

984
De Trochlea, seu Polyspasto. Cap. VIII.
SCI OL FV M.
POcandum hic cA, (praeter ea quae ad FLOV. Placld. monnimus,) ubi Vim di-
N recte applicandam dicimus; quo hoc tiac, reguer (illud urique hoc loco
incellectum volumus) it lectae VY, FII, linc ipsi
tas ea concinuo rariatur. Verul ca conlideratio
nontam hujus loci est, quam ad Caput secundum spectat, ubt de otuum Obli-
C. P (directioni mobilis) parallelae. Quippe, s pa-
xallela non linc; eric, pro obliguitate diverta, alia
acque alia ratio tum cractionis lecundum rectam TV.
tum concractionis recta FIF, ad alcensum C vel P.
Ec quidem (manentibus FV Punctis per quae Fran
Seat tunis) pront altius actotlieur C vel P, Obligui
cillum a paralletilmo declinare uc pro parallelis habeantur.
quicaribus agitur. In Frochleis enim Chordxe vel parallelae esse Colent, vel tan-
lorum positione, quanta, Vis exposito Ponderi aequipolleat; quae et
auctamorebit.
Nempe; Vis ca quae est ad Pondus in reciproca ratione iltius quam
habet Virium in V Promocio ad Alcensum Ponderis in P.
HIOc CA; in Ag. 276. Vis ad Pondus, ut F2d 29 4, 8, 26, _C. (CCO-
metrice proporcionales) prouc Orbiculorum numerus cA L, 23 3,
43 eC.
In 45. 277, 278. (ubi Funis ductarius terminatur in punCOAXO, ut
M.). Vis ad Pondus, ut 5, ad 2, 4, 6, 8. etc. prout Orbiculorum
intrapolicorum (cum Ponders collendorum ) numerus CAt, X, 23
3343 etC.
2 lit 1 sict.
In E∞. 279. (ubi ductarii Funis extremum cum Pondere trahendo
connectitur ut in R,) Vis ad Pondus, uE F ad F, 3, 5, 7, _C. prouL
numerus Orbiculorum intra politorum eAt 0, 1, 2, 3, ec.
Casus
Si Frochlea Orbiculi plures sint; Calculo xestimabitur, ex Orbien-
Pila in 
176. (per prop. 2. hujus) Vis in V aequipottet esurdeu duplo in
LN A: Irem, Vis I A, BusuS aupto in B: FE Vis in B. Guldem duplo l C
vess. Llque  pere Gubreuue suerine Orbiculi. Puta, Si Vis in V aicalu
; rancundem ralebitus al et A, ret 4  et  tet 2. (.
gue