Archimedes
,
Archimedis De iis qvae vehvntvr in aqva libri dvo
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DE IIS QVAE VEH. IN AQVA.
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ipſa b c: </
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<
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<
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ducaturq; </
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<
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">ad b d perpendicularis ψ e, quæ posſit dimidiũ
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eius, quod lineis _k_ r, ψ b continetur: </
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<
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monſtrandum eſt portionem in humidum demiſſam, ſicu-
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ti dictum eſt, conſiſtere inclinatam ita, ut axis cum ſuperſi-
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cie humidi angulum faciat angulo c b ψ æqualem. </
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<
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tatur enim aliqua portio in humidum, ut baſis ipſius hu-
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midi ſuperficiem non contingat: </
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<
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ſuperficie humidi non faciat angulum æqualem angulo
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e b ψ; </
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axem, recto ad ſu-
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perficiem humi-
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di, ſit ſectio a p o l
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rectanguli coni ſe
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ctio: </
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humidi ſectio x s:
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</
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nis, & </
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meter n o: </
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<
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catur p y quidem
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ipſi x s æquidi-
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ſtans, quæ ſectio-
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nem a p o l contin
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gat in p: </
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ro æquidiſtans ip-
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ſi n o: </
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<
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n o perpendicularis. </
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r k ipſi t _a_ & </
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niam ponitut axis portionis cum ſuperficie humidi facere
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angulum maiorem angulo b: </
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maior. </
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p i ad quadratum y i, quam quadratum e ψ ad ψ b qua-
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dratum. </
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ad quadratum i y, eandem linea k r habet ad lineam i y:</
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