General Theater of Machines

...[considering such] high Royal favors, I have all the more reason to complete my undertaking, especially as the purpose of this book is directed toward the advancement of the arts, mining Mining: In 18th-century Saxony, mining (especially for silver) was the primary driver of the economy and the chief application for complex machinery like pumps and hoisting engines., manufactories, and everything that can serve the benefit of the land in these matters.

Particularly, however, because Your Royal Majesty was pleased some years ago to inspect several drawings of this work and most graciously permitted this dedication, while also providing funds for a journey to Holland At this time, the Dutch Republic was the global leader in mechanical innovation, particularly in wind power, hydraulic engineering, and dredging—technologies Leupold intended to document. for the better continuation of this work; thus I have only done what my duty and most humble obligation required.

I know no other way for my humble self to acknowledge this and all other High Royal favors in all submission than to continue this work I have begun without delay, according to YOUR original: "DERO", an archaic, highly formal pronoun used to refer to a person of high rank already mentioned. most gracious command. I also fervently plead to GOD at the beginning of this New Year with heartfelt wishes and prayers for Your Royal Majesty's long life, high health, and happy reign, remaining your servant for as long as I live:

Your Royal Majesty’s

and Electoral Serenity’s Electoral Serenity: Referring to Augustus II's dual role as King of Poland and the Elector of Saxony (the Prince-Elector).