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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 51, page id 85138403X:0067
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# Lines: 45 recognised, mean confidence 0.86
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LC
mum distantia, in
5P i 32L
768
B
4L
96
Da magnicudinem ducta, dac
D, Cive - 5. D P  DF, expolicae portionis qua-
deanci F XZ insistentis momeneum, respectu rectae F A. Ouod
 35 proxonicur inguirendum.
rionis semicylindri, ablacum, relinquie 250 D P F =4 D=, POr-
tionis relidux 2 XocC, quadranci 2 YC insactentis, momen-
CUMI.
4T. Deinde, Posthoc ablacum, relticuendum est quaneum
crianeulo quadranci F XZ inscripen (hoc elt, criangulo FC B
Fsz. T.) intiltit: Nempe Prramis, basin habens YvG2 =
De
alcicudinem F Y = = D, quae in basim ducta dac =D, cujus
criens = D: est pyeamidis magnirudo; atque haec in Z D, di-
Canciam Cui centri gravicatis à plano e F A, ducta, dac 5+ D PY-
ramidis momentum respectu liA rectae: Ouod quidem momen-
cum, momento reliquae parcis 236 D. P +  D addicum, dac
 D momencum iltius omnis quod sectori FD C
tig. 2. inictiE, respoctu rectX AF.
42. COenito aurem momento Porrionis sc secti prismaris
Sectori CF b insiltenEIS 3 COONOLCITUE CLIAM IOMCMEUM DOT-
cionis prisinacis Ouadrilineo C F BDH0. F. insistentis, eodem
plano secti, (respectu ejusdem A F rectx:) Es urique ad illud,
eC7 2d 3 (per 5 45:) Adeoque illius quod Ouinguilineo CbFBD
Ag. T. hoc est Guadrilineo C FBB fig. 7. (urporo quod ad idem
+
momencum elt 4 dd 3;) nempe . 3= D? P +  D4
43. Unde h auteratur momentum ictius quod Parallelogram-
MO FBAg. 7. inictic, (hoc est, prisimaris basem habentis cri-
angularem, semissem utique quadrati Lb, adeoque ZD =, alei-
cudlinem vero Bb = = P, cujus itaque magnicudo est, = D2 p
quae in Z F b = = D distantiam ceneri gravieacis a plano rectae
P. A inciltenre dueta, dac so D. P prismaris momentum respectu
2
 D momencum iltius omnis
quod erilineo C BB insiltiC, respectu reCtX A F.
44. Ouod aurem Frilineo huic jam inltie, (alcicudinem jam
nactum in puncto b aequalem ipsi F b = = D, _ deinceps con-
rinue crescentem,) constat ex prismace super illa base, alcicudinis