Sujet
Crystallization of saltpetre (nitre, potassium nitrate, or KN03), 1683. Artist: Unknown
Légende
Crystallization of saltpetre (nitre, potassium nitrate, or KN03), 1683. Saltpetre is the principal ingredient in gunpowder, and is still used in the preservation of some foods. In medicine it was used internally as a diuretic, but now is only used externally for a number of conditions, such as asthma. From a 1683 English edition of Beschreibung allerfurnemisten mineralischen Ertzt by Lazarus Ercker. (Prague, 1574).
Oxford Science Archive
Date
1683
Crédit
Photo12/Heritage Images
Notre référence
HRM19B65_447
Model release
Non
Licence
Droits gérés
Format disponible
49,9Mo (2,8Mo) / 33,9cm x 36,9cm / 4005 x 4359 (300dpi)