Archimedes - Archimedis De iis qvae vehvntvr in aqva libri dvo

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64ARCHIMEDIS midum demiſſa adeo, ut baſis ipſius tota ſit in hu
mido, & poſita inclinata, nec conuertetur ita, ut
axis ipſius ſecũdum perpendicularem ſit, nec ma
nebit inclinata, niſi quãdo axis cum ſuperficie hu
midi angulum fecerit æqualem angulo ſimiliter
ut prius, aſſumpto.

SIT portio, qualis dicta eſt: ponaturq; d b æ qualis axi
portionis: & b _k_ quidem ſit dupla ipſius _k_ d; k r autem
æqualis ei, quæ uſque ad axem: & c b ſeſquialtera b r.
Quam uero proportionem habet portio ad humidum in
grauitate, eam habeat exceſſus, quo quadratum b d exce-
dit quadratum f q, ad ipſum b d quadratum: & ſit f ipſius
q dupla. conſtat igitur exceſſum, quo quadratum b d ex-
cedit quadratum

41[Figure 41] b c ad quadratum
b d, minorem ha-
bere proportio-
nem, quàm exceſ-
ſus, quo quadratũ
b d excedit qua-
dratum f q ad b d
quadratum. eſt e-
nim b c exceſſus
quo axis portiõis
maior eſt, quã ſeſ-
quialter eius, quæ
uſque ad axem.
quare quadr atum
11A b d magis excedit
quadratum f q, quàm b c quadratum: & idcirco linea f q
minor eſt, quàm b c itemq; f minor, quàm br. Sit ipſi

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Scan	Original
81	35
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89	39
90
91	40
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93	41
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95	42
96
97	43
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Scan	Original
81	35
82
83	36
84
85	37
86
87	38
88
89	39
90
91	40
92
93	41
94
95	42
96
97	43
98
99	44
100
101	43
102
103
104
105
106
107
108
109
110