The natural history of Hartz-Forest, in His Majesty King George's German dominions. Being a succinct account of The Caverns, Lakes, Springs, Rivers, Mountains, Rocks, Quarries, Fossiles, Castles, Gardens, the famous Pagan Idol Pustrich or Spit-Fire, Dwarf-Holes, Pits, moving Islands, Whirlpools, Mines, several Engines belonging to them; Ores, the manner of refining them; Smelting-Houses; several sorts of Ovens, Hammer-Mills, Vitriol and Glass-Houses, &c. in the said Forest: With several useful and entertaining Physical Observations. Written in German by H. Behrens, M.D.
Behrens, Georg Henning, 1662-1712. | Date: 1730