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# Title: De Locis Solidis Secunda Divinatio Geometrica (shelfmark Leibn. Marg. 151)
# Folio 15, page id 898203430:0043
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VEL LIMIT. ORDINATIONVM COMTC. LIB. I.
IGITUEFAMIOTUI FD, FFL F A, FI, FB _C. TuNEVE linCa MD, ML, MC,
NEH, M B _c. quod erat primo ec.
Proramis vero ab inceriori origine C ductis, sc aroumentabier.
Ouadracum rami C D od quadeacun rami perpendicularis C A, vel ad , 27. cerrii
Tibi xequale rectangulum D CB eltve a linea D C: ad CF B, vel reo linca DM Conic.
aet M C, quoniam D F est harmanice secta in Ci B e media harmoniea, b 10. huius
FC bitariam in M.
Ampliis, quadracum C H ad quadrarum perpendicularis C A, vel ad si.
bixequale reciangulum DCB, vel ad huic aequale rectansulum HO P (dum
FIC producatur ad P) est ve linea HIC ad C P, (quam ip si C I aequalem
esse intra ostendemus, adeoque iunctam IP ad diametrum B D
perpendicularem, senips HIP. Parallelam) vel ve HIN, ad NI, vel ve IIO
ad ON (cum sic HF harmonice secta in NO e F. N bitariam in O,) vel c 37. certis
VEd L M ad MC.
Iem, quadrarum perpendicularis C A, sue rectangulum iphi aequale
ITOP ad quadratum rami C L est relinea HG ad G P, velve H N ad NI.
Conic.
d 10. luus
velve NO ad OI (Cum (IC FEI harmonice e secta in H, I e media F N Bi - c 37. coreii
Fariam iI O) velVE E GTM ad NIK.
Fandem, quadratum perpendicularis C A, siue rectansulum ip ( aequale
Conic.
 eo RuIuS
DCB ad quadeacum rami C B est re linca DC ad G B, vel vre linca C, M, B 20. huius
ad M B. quoniam F. D secta est harmoniceh in B, C, de FC bitariam in M. n, 9. cerrii
Ouadrata ergoramorum D, G FI, G A, GI, C B sune inratione linea- Conic.
FIUII MD, MIL, MCS, MK, MB. Ouod erat vlimo atc.
Esse autem CP cum ipla HC in directum productam aequalem ipsi (, I,
aeque iunctam IP ipsi BD perpendicularem sic occenditur.
NaM CII SE HIL ad TK, VE FF ad FP, veI VE F N ad NF vel VE L C.
ad GR, criansularectangula HL. C7, LK C erunt inter se aequiansula, ideo.
que anoulus FCL, sive iph aequalis ad verricem P G K, equalis anoulo
TOK: Cumque rectae CP, GI aeque distent in C irculo aminima C, B, ip (X
inter le aequales erunt, ideo que triangulum PCrP est aequicture, cuius balis
IP a recta CK angulum IO P bilecante, ad rectos angulos dividetur; ac
itaque IP ipsis A C, FIL. aequidictat. Ouod supererat demonstrandum.
E
tot
Ac de Circulo, prout etiam de Coni =sectionibus, eum in hoc primo libro,
cum in proximo sequenti breuns gulcem, una cum pluribus eorum, quae
Secusie e. rtBit adcoeliu, au quam Bi asenis opiis airisitur.
aim probantur; Generatim ab solui posent, diver saque methodo demostrari;
diu
cito it 
asd
bito
PROP.