alexissreyes alexissreyes

24-03-2015
History

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The first light bulb had a filament made of _____.

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Аноним Аноним

24-03-2015

The first light bulb had a filament made of carbon.

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lrathburn lrathburn

24-03-2015

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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