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Humphry Davy, English chemist, 1821.
Humphry Davy, English chemist, 1821. Davy (1778-1829) discovered the anaesthetic effects of laughing gas (nitrous oxide). In 1801 he was appointed lecturer at the Royal Institution, where he investigated, with his assistant Michael Faraday (1791-1867), his theory of volcanic action. Using electrolysis, Davy isolated the metals barium, calcium, magnesium, potassium, sodium and strontium, as well as proving that chlorine was a chemical element. He is probably best known for his invention in 1815 of the miners' safety lamp, which enabled deeper, more gaseous seams to be mined without risk of explosion. An example of the lamp is on the table at his elbow. After a portrait by Thomas Phillips.
Unique Identifier
AR922942
Type
Image
Purpose
Public
Size
3406px × 5131px
Photo Credit
HIP / Art Resource, NY
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Tags
19th century
B&W
B/W
Black & White
Black and white
Chemist
Chemistry
DAVY
Davy lamp
Engraving
Humphry
HUMPHRY DAVY
JOB
Lamp
lighting
Male
Man
Men
miner's lamp
Monochrome
NINETEENTH CENTURY
OCCUPATION
Oxford Science Archive
People
Print Collector1
PROFESSION
Science
THOMAS
Thomas Phillips;Phillips