alexissreyes
alexissreyes alexissreyes
  • 25-03-2015
  • History
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The first light bulb had a filament made of _____.

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Аноним Аноним
  • 25-03-2015
The first light bulb had a filament made of carbon.
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lrathburn
lrathburn lrathburn
  • 25-03-2015
The first light bulb had a filament made of carbon! The first electric light was made in 1800 by Humphry Davy
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