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Checking the quality of saltpetre (nitre, potassium nitrate, or KN03), 1683
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Checking the quality of saltpetre (nitre, potassium nitrate, or KN03), 1683
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)
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Media ID 14865424
© Oxford Science Archive / Heritage-Images
Chemical Chemical Industry Chemistry Ercker Industrial Chemistry Laboratory Lazarus Lazarus Ercker Oxford Science Archive Quality Control Saltpetre Potassium Nitrate
EDITORS COMMENTS
The print captures a significant moment in history, showcasing the meticulous process of checking the quality of saltpetre (nitre) in 1683. This essential ingredient, also known as potassium nitrate or KN03, was widely used in gunpowder production during that time. The image depicts a male scientist diligently examining the saltpetre sample in a laboratory setting. This snapshot offers insight into the world of science and industry during the 17th century. It represents an era when chemical advancements played a crucial role in shaping society. The man's focused expression reflects his dedication to ensuring the purity and effectiveness of this vital compound. Beyond its significance for weaponry, saltpetre had diverse applications such as food preservation and medicinal use. While it was once consumed internally as a diuretic, today it is primarily utilized externally for conditions like asthma. The engraving originates from Lazarus Ercker's renowned work "Beschreibung allerfurnemisten mineralischen Ertzt" published in Prague back in 1574. Its inclusion within this English edition from 1683 highlights its enduring relevance even years after its initial publication. As we gaze upon this monochrome masterpiece, we are transported to an age where scientific exploration thrived amidst industrial progress. It serves as a testament to human curiosity and our ongoing quest for knowledge throughout centuries past.
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