Archimedes
,
Archimedis De iis qvae vehvntvr in aqva libri dvo
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ARCHIMEDIS
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pla eſt, aut minor, quàm dupla. </
s
>
<
s
xml:id
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xml:space
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<
s
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xml:space
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<
lb
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centrum grauitatis eius, quod eſt in humido, punctum t.
<
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</
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<
s
xml:id
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xml:space
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<
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<
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">eius, quod extra humi
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dum grauitatis centrum g: </
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<
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xml:space
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">& </
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<
s
xml:id
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xml:space
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">à puncto b ad rectos angu-
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lb
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los ipſi n o ducatur b r. </
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<
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xml:space
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">Quòd cum p i quidem ſit æqui-
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diſtans diametro n o: </
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<
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xml:space
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">br autem ad diametrum perpendi
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lb
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cularis. </
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<
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xml:space
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">& </
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<
s
xml:id
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xml:space
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">f b æqualis ei, quæ uſque ad axem: </
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<
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">perſpicuum
<
lb
/>
eſt f r productam æquales facere angulos cum ea, quæ ſe-
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lb
/>
ctionem a p o l in puncto p contingit. </
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<
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">quare & </
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<
s
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<
s
xml:id
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xml:space
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<
lb
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& </
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<
s
xml:id
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">cum ſuperficie humidi. </
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">lineæ autem ductæ per tg æqui-
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lb
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diſtantes ipſi f r, erunt & </
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<
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<
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27
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http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/library/4E7V2WGH/figures/0046-01
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ad humidi ſuperficiẽ per-
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lb
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pendiculares: </
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>
<
s
xml:id
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xml:space
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">& </
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>
<
s
xml:id
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xml:space
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">ſolidi
<
lb
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a p o l magnitudo, quæ ẽ
<
lb
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intra humidum ſurſum fe
<
lb
/>
retur ſecundum perpen-
<
lb
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dicularem per t ductam;
<
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</
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<
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xml:space
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">quæ uero extra humidum
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ſecundum eam, quæ per g
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deorſum feretur. </
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tur ergo ſolidum a p o l:
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</
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<
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">baſis ipſius nullo modo
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lb
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humidi ſuperficiem con-
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tinget. </
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<
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xml:space
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">At ſi pi lineam k ω
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non ſecet, ut in ſecunda
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lb
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figura; </
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>
<
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xml:space
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">manifeſtum eſt punctum t, quod eſt centrum gra-
<
lb
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uitatis demerſæ portionis, cadere inter p & </
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<
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ſimiliter demonſtrabuntur.</
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reuolui ita, ut baſis nullo modo ſuperficiem humidi con-
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tingat.</
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<
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