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Subject Chemiluminescence Remove constraint Subject: Chemiluminescence

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    • 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…

    • 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…