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# Title: De Locis Solidis Secunda Divinatio Geometrica (shelfmark Leibn. Marg. 151)
# Folio 102, page id 898203430:0294
# Original at the GWLB: https://digitale-sammlungen.gwlb.de/resolve?id=898203430&page=294
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102
VINCENTI VIMANI DE LOCIS S
lis BD, BD, coridem tianE AE.
CuS DE, DE, ulque dum sC.
cent in L, I. _c. rectas C. B,
C F eeC. primo ductas, ee can.
BenteS PrOPrIOS arCUS C.D
C, DEC. PPIMIO NOTATOSIn DUM.
EtIS C, C _C.
Nam singula puncta F, P dc.
Tunc ad qualicam Parabolam.
cujus verrex B. ee semirectum
lacus est data AB.
Pro hujus praxeos demonstra-
tione, in quovis ex paribusar.
CUUMI NOEAEOTUM janSANEUE ip-
sorum radii AD, B F, quales in fgUTA. Fricerso, in criangulo ABD
rectangulo ad B, quaCTAEUM AD, SIvC AC ips AD equalc, duobus
per con- simuI quadratis AB, BD aequale, vel duobus AB, BB; et hoc sem-
verto FcoP. DEC: quare lingula puneta F, F. _cc. lune ad locum Parabola, cujus
20. ausus CA verrex B, ee semirectum lacus es data AB.
Siigitur aquabilimanus ductu, Duncta B, F., E, P. SCC. junSAnEUE
curra linea, quaesica parabola exir deseripta. Quoderat, ec.
PROBL. ZV.
P R O P. IL.
deo verrice A, e focoC, pro quacumque Conisectione de-
Scribenda, e pro Ellipsi. atque Flyperbola secundae, e
tertiae ficurae, daro etiam axe trausverso AB in directum
posito cum AC, vel infra A, ut in 2. vel jupra A, ut in 3.
e proposirum sit has ipsas Conisectiones, ope circini, e re-
sula per puncta continuata describere, es primo earum di-
midia.
N prima tisura a datis punctis A, C, aganeur Coper AC perpendi-
CutareS AH, C GE; aEGHO eX A E TUMAEUE A F aqualis ipsi A C in-
rervallo inter verricem, d FOCU dAEO; AC SUIMATUE C CF iplIUS AC,
vel AP dupla, ee jungatur recta P. Ci, quae quantumlibet Produca-
cur vertus M.
FEin 2. Xc 3. figura, a punctis extremis A, B dati oxis eransversi du-
cantur ad camdem parrem axis in 2. figura, at ad direrlas in 3. Per -
Dendiculares AF, BF, quae lumancur equales ipsis C A, C B, e
junsatur recta LB, quae quancumlibet vrodueatur in 3. verlus MI; ee in
VETaque per Focum C duentuE C. C2 ipsIS AF., B F paralela, qua,
in 2. SCCEE P. F, _ in 3. ejus Productam, In C7.
DL-