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# 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 362, page id 851387705:0382
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62
PECEA 
GVTIIFLMO 
MatheseoS cognitiOnE CLAVEH
NNVS. NALLIoI
D
Vam sibi antehae (Celeberrime la Propositienem, velata facie,  for-
rehatica eloquentem (quam prius subricebat) ctcn.
1
Ctl
SIe EFIESI
OI
ISSTMO VIRO
L. PrOF. OXON. 15.
ma Problematica; ut e aliis, quibuscum rem habui Mathematicis non
parcis ante aliquot annos, extibueram:; celato plerumque (nonnullis ta-
men detecto) in quem diricebatur scopo: Fn tandem aperta frente, forma Theo-
Cireuli Quadraturame.
Xpolica aequabili curva VC, cui
occurrat in vertice recta V I
in quorlibet particulas aequales diri-
Can ec, a lingulis diritionum punctis
coridem rectis parallelis ad curram
ulque ductis, quarum secunda TII L,
Quarta 6, lexta 30, Octara, 14, _c.
Frit, ut carum secundta ad terriam,
Tic Semicirculus ad Duadracum Dia-
metri.
Vebus Si Tic secunda F, Quarta 13,
Texta 28, ec. Frit, ut secunda ad
terciam, sic Circulus ad Ouacrarum
Diamerri.
Vetu Si HE Secunda F, quarta 2 Z,
FcAra 48, Sc. Frir, ue lecunda ad
serciam, sic triplum Circuli ad qua-
druplum Ouacrati ex Diametro.
Pocum Demonstrationis proeres-
sum, ipsamque methodum qua tam
ad hanc circuli, quam ad innumeras
alias aliorum curvilineorum quadra-
turas pervenerim, ostendet tractatus
quem apud me jam aliquandiu per-
fectum habeo,  quidem in Trpo-
craphorum usum exscripeum, quem
in publicum daturus sum, quam pri-
mum per Typoeraphorum moras lice-
bit, quorum otia per duos inteeros
quod exeurrit annos jamjam ex-
spectavi.
Dabam e Typoerapheo Oonien si
Poltridie Palehatis, AnnO D0.
mini 1655.