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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 4, page id 824573315:0216
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# Lines: 29 recognised, mean confidence 0.85
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Arithmetica sMoh.
PrOP. 50
conterminum PY C a Principio circulationis casas
li
O5F ut L _ct L.
F.Ao enim Liner Spiralis (una circulatiove lacta, M lI
erincipium. Spiralis M, (quod idem etto _ cenerum Arciis Pe-
ripherixe, quem correlponlencem voco,) Principium circusa-
Lionis rCCFS B A, quae requabili moru circumdusca (manence
BInHOM) supponitur puncto tuo A peripheriam delcribere
P. D  (9ui Circalus primus vel pocius Cdiculi primi Per pheria, di-
Spiralis in ueraqe figura continuanda erat inte sn ad medium usque sed. per
Caelatoris incuriam, in altera manca est. in altera intereisa
ci vel Colec rel commode porest,) cum interim punctum alio
quod (in eadem recca circumducta) moveri suxponitur (~
quaDili iEe IOFU) ab M ad A, moru suo lineam Spiralem
NEA describenes Adeoq; recta quaelibet MT (a p. incipio
(DiraIiS M, 2d sxiratem abiris dueta) eric ad rectam NA, VE
Peripheria arcus AO (eodem tempore deleripius) ad periphen
TIAM EOEAM AOA. vel nc amentuS AMT ad gracuor rectos:
Adeoq _ rectae AIT, BIE, arcubuS AO, AO, proxorcionales.
CEUMCZ CE DaTELS
Tum, ductis quoclibet rectis MY, ME, _c. angulos conti-
MIIOS AMT, TMP, Qc. aeguoles inricem Facientibus (ade093
arirhimetice proporeionalibus) suxponamus (suver illis angu-
lis) similes Sectores roridem (Talrem uno minus, quia in spacio
primo leccor inferibi non porerit) sGurA MTM (Spirali MI
de recta TM comprchen (x) interitei. Sectores illi omnes con
Rirvem