Jacob's Rod: The Art of Finidng Springs, Mines, and Minerals by Means of the Hazel Rod

Translation of a 1693 French work on the use of the dowsing or hazel rod for finding water and minerals. The discussion covers the quality of the rod, the form of the rod, how to hold it and how it turns, how do distinguish hidden things, how to determine the width of springs and mines, how to know the depth of water or minerals, and other explanations.