(Born: Rothenburg ob der Tauber, Germany, 8 February 1711; Died: St. Peterburg, Russia, 22 March 1775) German apothecary.

In his youth, Model was apprenticed to several apothecary shops in southern Germany. In 1745 he immigrated to Russia, where he operated a very successful apothecary shop in St. Petersburg. He was ultimately appointed professor of pharmacy and economics at that city's University and became a member of the Academy of Science.

Biographical references: DBA: I 849, 318-323; II 902, 42. • Deutsche Apotheker Biographie: 2, 438-9 [by W. Koning]. • Hirsching, Historisch-literarisches Handbuch, 1794-1815. • Jöcher, Gelehrten-Lexikon, 1750-51. • Meusel, Verstorbenen Teutschen Schrifsteller, 1802-16. • Poggendorff: 2, col. 164. • WBI.

1. Latin, 1747.
De borace nasiva, a Persis Borsch dicta, Dissertatio Cogitata de partibus constltut. Vorac., occasione salis eujusd, e Persia Accepti prolata. Leipzig, 1747.

8°: Very rare.

Bibliographical references: LKG: XVI 430.

2. German, 1758.
Versuche und Gedanken über ein natürliches oder gewachsenes Salmiak, nebst Erörterung einiger vom herrn Baron gemachten Einwürfe über das persische Salz. Leipzig, J.F. Gleditschens Handlung, 1758.

8°: [16], 64 p.

Rare. Concerns sal ammoniac and Persian salt (native soda or borax). It is dedicated to Andreas Sigismund Marggraf, the masterly chemist who had written on a sal ammoniac preparation to obtain phosphorus. There are also numerous references to the discoverer of borax, Théodore Baron d'Hénouville, as well as the researches of Boerhaave, J.H. Pott, Duhamel du Monceau, J.J. Becher, J.F. Kunckel.

Bibliographical references: Jonathan Hill, Bookseller: cat. 11, no. 112. • LKG: XVI 385.

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