Page:Popular Science Monthly Volume 64.djvu/569

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Priestley died on February 6, 1804, and the centenary of his death has been commemorated in Great Britain and in the United States. Thirty years ago the centenary of the discovery of oxygen was celebrated, and at that time this magazine published several articles on the life and work of Priestley. In the issue for August, 1874, a biographical sketch and an appreciation by Dr. John W. Draper will be found. An address given by Huxley on the occasion