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# Title: [Johannis Wallisii SS. Th. D. Geometriae Professoris Saviliani Oxoniae, Tractatus Duo] Johannis Wallisii SS. Th. D. Geometriæ Professoris Saviliani Oxoniæ, Tractatus Duo (shelfmark Leibn. Marg. 103)
# Folio 31, page id 85138403X:0047
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DECTCLOTDL.
do per R ec muleiplicando per ZP,) erunc =R2 D F ~ PD un cum
omnibus circulis radiorum 22. (aequalibus incerrallis sumpro-
rum,) hoc est, una cum Tolido ex convertione crilinei rellicuri
C A F A∞. 7. circa C F, hoc eltuna cum 45 HeMPC ZK2P +
 P. + A aequalia Colido ex convertione Pemiercloidis circa
CF: cujus icaq; racio ad sphaeram circuli geniToiis (ex con-
vertione semicirculi circa eandem rectam C L Factam) eltuF Z X2 P
+ 10 P3+ A3 ad Z A2 P.
83. Verum endem ratio suxerius rexerta eAt (5 78) uc 9 A L
2OR = P ad 4 A= P, hoc elt (dividendo utrinque per 6,) uC Z A
Y 3 R = P ad Z R = P: QUAI IAI rCDCTIUS (582) ut Z K 2 P+ .t
De+ A 2aZkD. SunEISITUI Z 1 + E A 2P = Z RE P+ C p)
 A3. Adeoque (subductis nerinque aqualibus) = A2 + R 2. F
eo P. HlOc est, e 3 = Z P, = 2R = P. (HOc eHt A F. in
ALiq- C Fg. fig. T vel 8.) Habemus ieaque magnirudinem solidi
ex convectione Trilinei recticuri C A F fig. 7. circa C. P, (nempe
EP3 = 2 R P;) Adeoque iphusracionem ad Spheram circuli
Senicoris (ho: eAt, dc = W= P,) nemPC UC 2. D ~ = 2 R= 2d ZH,
live ut ZP= = 22 R = ad 4 R E, hoc est, uC 3 A F 9 - 3 C F9 ad
CF 9. Acque eadem estracio momenei illius Frilinei, ad mo-
mencum Penicirculi, respectu C F rectae EC urique illud SRP 2
=2 R; (momencumaurem Semicirculi Z R 3:) Adeoque (di-
videndo per magnicudinem Trilinei Z R P) dictabic centrum gra-
vicatis Trilinei ab F C, = P = 7
e
R
: _ dBB, = R. Dictar
autem (per Cuperius Fraclita) ab A F, Z R: Cum enim momen-
cum Trilinei ad monenrum Semicirculi (respectu A F rectX) (IE
uc 3 dd 2, e mogricudo ad insenicudinem vt 2 ad F5 CriE prO-
Pter Z) Z (3 diltanria ad distanciam uc 3 ad 4. Distancia aurem
ceneri gravicacis lemicirculi, est R; Ergo diltancia centri gra-
vicatis Trilinei ab A F eA Z R.)
84. Cum igItuT Z R? P aequetur Eptaerae circuli genitoris; erie
Per 582) 3R DF  P3 + A, hoc eAt, Z R. P+, F P3 + = P3
2 R= P; hoc eA 2 P3 = = R 4
micrcloidis circa rectam C P.
aequale solido ex conversione Se-
85: V el eriam (per 578,) cum ejuldem solidi ad Spheram
ratIO, HC, UE 9  +1ORE P ad 4R~ P, hoc est, uE Z A + 3 R= P ad.
Ek=P; Cique Z.= P aequale Sphxra: eric etiam L  + 3 R P,.
AC