Search Results
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The Discovery of Phosphorus
- 1775
This mezzotint by William Pether, after the 1771 painting by Joseph Wright of Derby, shows a kneeling alchemist in his laboratory, gazing in wonder at the results of his latest experiment. The painting's full original…
- After Wright, Joseph, 1734-1797
- Artist Pether, William
- Subject Chemiluminescence, Phosphorus, Wright, Joseph, 1734-1797, Alchemy, Alchemy in art, Pether, William
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Beckman Perchloroethylene Monitor
- Circa 1975
This instrument was developed for the Environmental Protection Agency in 1975 by Beckman Instruments' Advanced Technology Operations. This portable instrument uses a charcoal trap to detect vinyl chloride (a…