COCKTAIL ZERO% BAR MANUAL ALEMBIC Priestley entered the service of the Earl of Shelburne in 1773 and it was while he was in this service that he discovered oxygen. In a classic series of experiments he used his 12inch “burning lens” to heat up mercuric oxide and observed that a most remarkable gas was emitted. Carl Wilhelm Scheele and Antoine Lavoisier also have a claim to the discovery. HISTORY THE FATHER OF CARBONATION DR. JOSEPH PRIESTLEY IN 1767
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