Mercurial Air-holder And Breathing
by Wellcome Images
Title
Mercurial Air-holder And Breathing
Artist
Wellcome Images
Medium
Photograph - Photograph
Description
Humphry Davy's mercurial air-holder and breathing machine. English chemist Humphry Davy (1778-1829) is best known for his invention of the miner's safety lamp, also known as the Davy lamp, for use in coal mines. In 1807 and 1808, Davy discovered the elements potassium, sodium, calcium, barium, magnesium and strontium. Davy is also credited with the concept of allotropes, elements that are physically different due to their structural arrangements. He proposed that diamond was an allotrope of carbon. He also discovered nitrous oxide or laughing gas, which he suggested could be used as an anesthetic.
Uploaded
April 18th, 2016
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