Checking The Quality Of Saltpetre
by Print Collector
Title
Checking The Quality Of Saltpetre
Artist
Print Collector
Medium
Drawing - Illustration
Description
Checking the quality 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). (Photo by Oxford Science Archive/Print Collector/Getty Images)
Image provided by Getty Images.
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January 28th, 2021
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Image ID
463920877
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