VALLEMONT Occult Physics, or Treatise on the divining rod, and its use in the discovery of water sources, mines, hidden treasures, thieves and fugitive murderers. With principles that explain nature's darkest phenomena... Paris, Anisson, 1693, in-12, [30]-609-[1] pp., intaglio in intaglio at the head of the epistle, brown speckled calf, spine ribbed with gilt fleurons (contemporary binding). Upper cap missing, lower cap missing, jaws split 3 cm each, corners worn. Freckles, leaflets come off. Large ink stroke on title page. Francisci Palluet manuscript ex-libris and Mathieu Varille Lyonnois ex-libris. Rare first edition of this singular treatise, illustrated with 23 woodcuts, most of them signed P.L.S. (Pierre Le Sueur), including 12 full-page etchings.