MARGGRAF, ANDREAS SIGISMUND & JOHANN HEINRICH POTT.

Mémoire sur la Maniere de dissoudre L'Etain dans les Acides des Vegetaux, et sur L'Arsenic, qui s'y trouve encore caché, avec les Experiences qui servent de Preuves. (+ Pott:) Experiences Pyrotechnique sur la Topaz de Saxe.

(Berlin, Haude et Spener, 1749). 4to. As issued without wrappers in "Memoires de L'Academie des Sciences et Belles Lettres", tome III, pp. 33-56 (Marggraf: pp. 33-45, Pott: pp. 34-56).

Both works first editions. Marggraf's observations that commercial tin contains considerable amounts of arsenic, was erraneous and caused much trouble until refuted by Bayen. - Pott was commissioned by the King of Prussia to discover the secret of porcelain as made at Meissen in Saxony. - Partington II: p. 726 (Marggraf) and p. 720 (Pott).

Order-nr.: 31915