1911 Encyclopædia Britannica Oxygen: Revision history

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17 August 2025

  • curprev 02:4902:49, 17 August 2025KimberWedel26 talk contribs 5,538 bytes +5,538 Created page with "<br>OXYGEN (image O, atomic weight 16), a non-metallic chemical aspect. It was apparently first obtained in 1727 by Stephen Hales by strongly heating minium, however he doesn't seem to have acknowledged that he had obtained a new ingredient, and the first revealed description of its properties was because of J. Priestley in 1774, who obtained the gas by igniting mercuric oxide, and gave it the title "dephlogistigated air." K. W. Scheele, working independently, additional..."