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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 13, page id 85138403X:0029
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DE OACLOTDE.
K quae sit ad. EL. uE 7 ad 20 (quod quidem CCHETUM gravi-
cacis eset E curracura fisurx demeretur; puca, E prolingulis
remicirculis sive suxerticiebus semicylindricis circa axem AF
incelliganeur cocidem linex rectae vel superticies planx plano
C A F ad angulos rectos positxe arque ab eobilectx;) acque
deinde in recta R x quae SE baSI A D perpendiculaTIS, CUMAEUE
PTODTCE CURVATUITAM) uE C F ad F, A (hoc est, ut Diameter
ad Semipecipheriam circuli,) sic n a ad n R, ( qua nempe
ratione dividendus est axis semicirculi ue habeatur Pemiperi-
Pheriae cenerum sravitacis:) Eric a cenerum gravicatis solidi ex.
Semiconrertione Pcaperii V BV P circa rectam AV.
44. Cenerum aurem graricatis Colidi ex semiconvertione Tei-
anguli, haberur, ( d rectae FZ puncto HI, quod jam incelliga-
cur abscindere rectam LHI, quae sic ad FZ, uc 3 ad 4, (quod
NEMpE CeHETUM SFaTICATIS CAeE (I dCMCTCEUF CUTVATUTA,) Per-
Pendicularis Hn incelligatuE (PFOPEeE CUEraTOTam) ita dividi in
 ut modo divisius In in P. FLIEULIQVE D CeNFFUM GTAVILAEIS
folidi ex semiconvertione Trianguli v FD circa rectam A F.
Duamquam rerera perinde omnino est ad hoc negorium an
ommino reperiantur puncta ∞, o, an cantum puncta HE, II: Nam
eadem est diltantia, quantum ad rectam ~ F, punctorum I e 4,
icem punctorum H ex p; e, Guancum ad recta A F, endem (al-
cem distinciarum ratio, sire puncta I, F, sire P, 8, conside-
FEHEUF.)
45. Cum igitur ratio distantiarum sive punCtorum X, II, Cive Ouamum
D, D, a recta A F, SIC UE 20 4d 2, (ive 28 ad 30, vel 14 ad 25; distat ab
et magnicudinum, uc 5 ad 2: Fric, quae ex his componitur, AF.
TALIO MOIENEOEUI, ut 70 dd 30, Cive 7 dd 3. Duod cum ubique
tac; eadem erir ex ratio momenei solidorum ex lemiconrertione
craperiorum omnium ad omnium criangulorum (iC. converlo.
rum momencum, hoc elt, momenti Colidi ex lemiconvertione se-
micreloidis, ad momentum solidi ex semiconrertione semicie-
culi, (circa rectam A F,) respectu rectae AF: Nempe uE 7 ad
3. Unde colligentur vuncta F, a, 8, ur supra. Nempe hiincel.
ligatur C centrum grariraris folidi ex semiconvertione cisculi
CirCa reCta A F, (quod punctum C dari suxpOnIMUS, vel, A
exigacur, deinceps extribebimus 6 56;) _ Aac, uc 3 2d7, siC
F C ad FF; ex deinde, ut 5 ad 3, sic FF ad F_; acque duca-
EI