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# Title: Qua Continentur De Angulo Contactus & Semicirculi, Disquisitio Geometrica. De Sectionibus Conicis Tractatus. Arithmetica Infinitorum: sive de Curvilineorum quadraturâ, &c. Eclipseos Solaris Observatio (shelfmark Leibn. Marg. 84:2)
# Folio 20, page id 824573315:0232
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# Lines: 20 recognised, mean confidence 0.87
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en
Arirhmetica Infinitorum.
PFOP. 26.
ConErminUM BB DiSSUMPTM UE L ad 3. PEF PFOD. 24.
c paricer lisura (piralis, quae circulacionibus prima, sccunda
de cerris deseribitur, eric ad circulum cerrium cer sumpeum, uc
2ac 3. Et quae delcribicur circulacionibus prima, sccunda, cer
EIA QE QUarEA, AC CITCULU QUaTEIM QLACEF SUMPEUM , ILE VE.
ad 3. EF Hc dCinCCDS.
Nocandum hic, quod coca Feura spiralis, prima circulacione
deferipta, in secunda circulatione repecItuE; d quae deleri-
bicur sccundi, repericur in cercia; e sic deinceps. Adcoq; v. 8.
in quacuor circulacionibus, feure prima C quae inera (piralem
primam, prima circulacione deleripeam, COnCinETUIE) QuateF
lecunda (quae incer spiralem primam Sc sccundam iaCCC) cer,
cercia (quae incer spiralem secundam _ cerriam iacet) bio,
quarca lemel delcribitur: ideoq; figura prinia quacer, secunda
rer, certia Bio, de quarea semel sumpca, simul aequancue exienci
circuli quarti quacer sumpri, nempe juxta numerum circula-
eionum