A CONSIDERATION Upon the DRAINING OF THE Pontine Fenns.
BYD. BENEDETTO CASTELLI, Abbot of S. BENEDETTO ALOISIO, and Professor of the Mathematicks to P. Urban VIII. in the University of ROME.CONSIDERATION III.
Amongst the enterprizes by me esteemed, if not absolutely impossible, , at least exceeding difficult, one was that famous one of Draining the Pontine Fenns; and therefore I was thorowly resolved never to apply my minde thereunto, although by my Patrons I should be commanded to the same: accounting that it was an occasion rather of losing reputation by the miscarriage of the attempt, than of gaining fame by reducing things to a better pass then they now are at. Yet nevertheless, having of late years observed the place, and sailed through those Chanels, and those Waters; after I had made some reflection thereupon, I thought that the enterprize was not so difficult as I had at first conceited it to be; and I am the more confirmed in this opinion, upon the inducement of that which I have written Nnnn 2 GeoGeometrically