259 Johann Christian BERNHARDT. Chymische Versuche und Erfahrungen, aus Vitriole, Saltpeter, Ofenruss, Quecksilber, Arsenik, Galbano, Myrrhen, der Peruvianer Fieberrinde und Fliegenschwämmen kräftige Arzneyen zu machen. 8° Leipzig: Bernhard Christoph Breitkopf 1755 Ferguson Nat Union Cat Wisconsin Bibliotheque Nationale [Illustrations:- 1. Frontispiece engraving. 149x87mm. "Tab. III." Top section shows two alembics with receiving apparatus. Lower section shows an elaborate cupboard. "F. Weber. dil. Crusius sc." 2. Inserted at end of volume. Engraving. 141x182mm. "Tab. II." Long trough heated by furnaces in which sixteen distillations can occur simultaneously. 3. Inserted at end of volume. Engraving. 143x180mm. "Tab. III." Long furnace with twenty four simultaneous distillations. "F. Weber. del. G.L. Crusius sc."]