DelMonte, Guidubaldo - In duos Archimedis aequeponderantium libros Paraphrasis : scholijs illustrata

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1magnitudinum inęqualium minor maiore grauior exiſtere,
ob naturæ diuerſitatem, ac propterea cùm inquit Archimedes
& ipſis aquales, ſiue ſint magnitudine æquales, vel inæquales, in
telligendum eſt eſſe omnino æquales in grauitate. grauitas. enim
cauſa eſt, vt magnitudines æ〈que〉ponderare debeant.

18[Figure 18]

VIIII,

Omnis figuræ, cuius perimeter ſit ad eandem par
tem concauus, centrum grauitatis intra figuram
eſſe oportet.

SCHOLIVM.

19[Figure 19]

Quid intelligat Ar
chimedes per has figu
ras ad eandem partem
concauas, apertiùs ſi
gnificauit initio libro
rum de ſphęra, & cylin
dro. vbi primùm vult
has figuras eſſe termina
tas; quod non ſolùm in
telligendum eſt decur
uilineis, verùm etiam
de rectilineis, & de mi
xtis. rectilineę quidem
erunt trium, quattuor,
quin〈que〉 & plurium la
terum; quamuis latera
non ſint æqualia, ne
〈que〉 anguli ęquales, vt

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