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# Title: R. P. Vincentii Leotavdi Delphinatis, Societ. Iesv, Magnetologia (shelfmark Leibn. Marg. 174)
# Folio 209, page id 1759050695:0215
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Con
Eap
De et litanetnda.
digne COrrOBOTanE, Fortissimum; de cui in directum satuieur Verlorium lS
VEh leomentum I A L abscisso alcero IBL spectetur. Verlorium IS punctor
appolicum crigicur ad certum quendam angulum, re exigic omnium radiorum
ex lingulis torius segmenti punctis ad Pemilsorum, e concurrentium Forrissi-
mus, qui sic torius illius segmenei Facultaris Axis, d neruus (Facultatis, inquam,
non quantitatis, neque enim idem est veriulque Axis, re paulopostostenturus
Cum) cui in directum Currigatur Vertorium liue obelus, eumque recta velut
medulla penetret. Idem alteri segmento IB L. Scorlim lumpro convenire
CuppOnC.
Elis praenoratis. Ouisguis Geomerra angulum STFI aut CIV inclinatio-
nis Verlorii, Cure depressionis infra Floriloncem investigare aggreluruS est;
debet primo Axem illum rirtucis, qui in veroque lesmento seorlim Cumpto
Verlorium IS componeret, definire: deber secundo binos angulos, quos
idem Vertorium cum Hlorilonte in veroque legmento leorlim lumpro consti-
EIIE, INFeT SC CONFerEC; vE notum AaE, qua quantitare angulus, quem Verso-
rium IS in legmento IA L maiore facit cum Hlorilonte, mutetur per accel-
Cum alcerius segmenti PBL minoris. Ad primi Ouxliti determinatione, hoc est,
ad Axem illum vircuris medium, cui in directum ponitur Verlorium, invenien-
dum vix par erit vlla Geometriae Faculeas. Ecce enim segmencm I A L ab altero
TBL discretum Peorsum contemplemur. Ouis Foret eius Axis, qui Verlorium
TS Sibi in directum componeret: IS cerre radius (Si Tolius quanciratis lermenti
illius habeatur ratio) id praesticurus censebitur; qui diameter crit rorius soli-
dicatis legmenti per punctum l rransiens, qui scilicet per I, de Per centrum to.
eius Colidicaris seomenti agCtuT. AC cerrum quidem est centrum illud Colidi-
tatis reperiri in recta linea Y A, Per quam plana quaelibet ducta segmencum in
duas partes aequales, re per le latis patet, dispelcunt; nec ad hoc octendendum
haerebit Geomerria: Nec masis etiam haerebic, ve ostendatur radius ille à pun-
Ato IPer centrum lesmenti ductus iacere in plano P AL: hoc enim planum
Per rectam T A ducitur, cocumque lermentum in duas aequales partes diui.
dic; e cum per centrum in rectae T A quouis loco licum ducatur; in eo ia-
Cere necesle estrectam per punctum I, dt per illud segmenti centrum ductam.
Ac vero quodnam punctum rectae T A occupat centrum illud segmenti: Ilanc
quaestionem Coluendi artem nullam, sicuc nullam circuli recrasonilmum ex-
hibendi praebet Gcometria: illud enim centrum si definiree, detinita continuo
Foret circuli Ouadratura, aur, quod paris est disticulcatis, Sptaerae cuDaTUTA.
Ouod quo Fundamento à me alleratur, nemo non nouie, qui nouerit in quo
versecur circulum Guadrandi, vel Sphaeram cubandi difticultas: quae (uperata
plane Foret, si vel circularis segmenti, vel Sphaerici centrum posser obtineri;
de quo Fusior hic insticuta disputatio ab Insticuto lonse Foret aliena, Viden:
iam quanxe difticulearis opus aggrediatur quilquis radium detinire COnAcuI,
qui per I ductus Verlorium IS sibi in directum constimme, re nocus tac angu-
us inclinationis STFL, aut OIV.
Dicer Ouilpiam. Cum cocum hoc nesocium in praxi, de mechanica ope.
ratione,