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An Account of two Books.
This Book was lately by two excellent persons of the Florentine Virtuosi, viz. Lorenzo Magalotti, and Paulo Falconieri, presented to the Royal Society, in the name of His Highness Prince Leopold of Tuscany, that great Patron to real Philosophy. The Book contains these particulars:
1. An explication of the Instruments, employed in these Experiments.
2. Exp. belonging to the natural pressure of the Air.
3. Exp. concerning artificial Conglaciations.
4. Exp. about natural Ice.
5. Exp. about the change of the capacity of Metal and Glass.
6. Exp. touching the compression of Water.
7. Exp. to prove that there is no positive Lightness.
8. Exp. about the Magnet.
9. Exp. about Amber, and other substances of a vertue Electrical.
10. Exp. about some changes of Colours in divers Fluids.
11. Exp. touching the motions of Sound.
12. Exp. concerning Projectils.
13. Various Experiments.
As all these Heads are very considerable, and of main importance to Philosophy, so doubtless will the handling of them be by competent judges found worthy of these famous Academians del Cimento.
This Tract perused by some very able and judicious Mathematicians, and particularly by the Lord Viscount Brounker, and the Reverend Dr. John Wallis, receiveth the Character of being very ingeniously and very Mathematically written, and well worthy the study of Men addicted to
