The Dutch Tiphys

...it is necessary to explain, I might bring forth into the public eye certain and brief rules, easy in execution and ready for use, and establish all things confirmed by mathematical demonstrations, verified by practice, and organized by method and path. Just as I am most thoroughly convinced that these things will be welcomed by all good men and those eager for the truth, so I uniquely hope that this labor of mine might also be approved by you, Most Illustrious States original: Ordines Illustrissimi; the States General, the governing body of the Dutch Republic,