CARL AUER WELSBACH
CARL AUER baron von WELSBACH Austrian chemist who discovered two rare-earth elements and invented the incandescent gas mantle
Picture No
10178200
Media ID
47382549
Size
3825px x 5079px
(2.8MB)
Credit
Mary Evans Picture Library
Source
Engraving
Date
1858 - 1929
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Auer Discovered Elements Incandescent Invented Mantle Welsbach
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