Full text: Angeli, Stefano: Miscellaneum Hyperbolicum et Parabolicum

ſequenter centrum grauitatis in B D, ipſius A B C. Pariter, cum ex ſchol. 3. prop. 26. habeamus centrum
grauitatis, ſine ſuppoſitione quadraturæ hyperbolæ,
annuli lati ex ſemihy perbola D B C, in hac figu-
ra reuoluta circa ſecundam diametrum T S; habe-
bimus conſequenter ad ſupra dicta, in ſecunda figu-
ra, in V X, centrum grauitatis duorum ſolidorum
extremorum, nempe duorum annulorum latorum
A H, T B. Inſuper ex ſchol. 2. prop. 32. ſuppoſita hy-
perbolæ quadratura, habemus in hac figura ra-
tionem, quam habet annulus latus D B C Z H ℟,
ad ſemifuſum A B C; & conſequenter in ſecunda
figura, habemus rationem duorum ſolidorum extre-
morum ſimul ad duo ſolida media. Ergo conſequen-
ter habebimus in V X, ſecundæ figuræ centrum gra-
uitatis duorum ſolidorum mediorum ſimul. Et pari-
ter in hac figura, habebimus centrum in B D, ſe-
mifuſi A B C. Quod & c.

69.1.

0139-01

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