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# Title: De Locis Solidis Secunda Divinatio Geometrica (shelfmark Leibn. Marg. 151)
# Folio 9, page id 898203430:0037
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VEL LIMET, ORGINATIOANM CONC. LIB. 1.
e Ine Coni- sectiones ABC, D BF, vel Parabola cum Llyperbola, in prima
 fisura; vel ambo typerbolae, ve in secunda; vel FIyperbola, e Fllipsis,
aue Circulus, ve intercia; vel Parabola, de PIlipsis, aur Circulus, ve in quar-
cai velcandem Circulus, ce F. dliplis, ausFillipiis, et Ciculus, ve in quinia, et
quales per Aguras 9;
20, 2F, 22, 26, 23,25,
27, 29. Diagrammatis
ad propolicionem deci.
mamnonam nostripri
milibri demaximis, de
minimis depiximus
veraque per eundem.
vecticem B simul ad - V7
seripta, de cum eodem
recto latere BC ad
communem diaetti
BF Ordinatim polito.
de sic exterioris Sectio.
niscransuer Tum latus B
Linceriorisvero sic HB.
Dico, si ad communem
diamecrum BFHI Or.
dinentur quorcunque
rect A C, W R eC.
quae Sectiones lecent in
A, D, E, C, _ in N, O,
OR diametrum vero
in P, P; rectangulum
AD C, ad NOR esse
ve quadratum BF ad
BP
Perterminum O cB-
munis recti lateris BC
COcipIANEUE, PrOUC in A.
Furis praedicti DiagrI.
matis, Sectionum regu.
latrices, nempe ICrM
exterioris, de TICL. in.
cerioris; alque ordinatae producanrur donecresulatrices Lecene in Mt. L. de in
S
tam, in exteriori Sectione, totum quadratum A F aequale est 2 rectaneu, primi Co
8
IT. T
lotub B F incoram FM; in interiori vero, demprum quadracum DF de quay nic.
le csrectangulo sub eadem B F in dempram L, L, ergo reliquum rectansu
lum AD C aequale est rectangulo sub ipsa BF in reliquam L. M. Similiter
octendicur rectangulum NOR, aequale rectangulo sub BP, in ST; sed re-
cangulum sub BF in L M 2d, rectangulum sub BP in SY, est vi quadran
cum