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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 910, page id 851387705:0930
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DeCalculo Centri Cravitatis.
linguitur Sparium a bb A = 3 a R = 35 R; Friplum Segmenti a Ba.
C ap. 1.
Elinc tacilis estet ad Nlomenta, ee Centra gravitatis (ubi habentur,) Solidaque
mechodos Lupra lapuus actbIlds.
condertere sacla, corum se (uoaden cnca artatio, cattuto, det
eROP. XXX.
A. P. In Conchocide, quae ad Arem Ordinatim applicatur recta cemponi-
15. 206. Tur ex Sinu recto e Tansente ejuldem Ansuli: Ft quieem ejusdem
C.
Circuli in Primaria, (ubi PC _ CA aquantuE,) s diverlorum
in aliis.
tdsa couat denn emleate ed CAOOtL Ca 
drante Genitore CAR, et Agura Pansentium R B AOO; ad cun-
dem radtium aestimatarum in Conchoeide Primaria, (ubi C A, PC
aquanEuE;) Sed, in Secundaria, ad alium; (nempe PC:) Majorem
quidem in Protracta, (ubi excentricitas PC major est quam AC
alcicudo,) in Contracta vero (ubi PC minor cA quam C A) mi
nOrCM.
Atque, in Conchocidibus diversis invicem Comparatis; Genitores
Ouadrantes (corumque segmenta respectira) sunt in duplicata ra-
tione Altitudinum C A. Reliquaque spatia RB AOO, (eorum.
que respectira segmenta, ut ABO, rel OBBO,) S Alicudines
CA aequales sine; sune in ratione Fxcentricitatum: Si Fxcentrici
tates PC sint aequales; in ratione Alcitudinum C A: S neutra;
in ea quae ex Altitudinum ex Fxcentricitatum rationibus componi
tur; seu in ratione rectangulorum CP A.
A. F. Conchocidis Planum (Currae et Resula interjectum) interminabile
C.
est, et maenicudinis intnita.
Ejusdem vero Momentum, respectu rectae C H quae Resula dici Colet
sinicum est: Ongulaque eidem insistens, aciem habens Regulam CII:
Solidumque Plani circa Regulam illam convertione Facti: Tunt qui-
dem Intorminata, sed Masnicudinis tinitae, et nol. Quod ee de
partibus, uC ABO, perinde valet.
Plani Semi Conchoeidis Contrum oraritatis nullum cA, (Peu, quod
eodem recidit, non nisi in infinita ab Axe distantia:). Sed néque
Ongula, nec Solidi conversione facti.
C. H. I. Idemque obtinet de scementis OVCF, recta CHTF adjacentibus;
atque de Ongulis Solidisque co spectantibus: Sed non item de
Segmentis
TI.