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7 ene 1879 año - The incandescant lamp

Descripción:

Invented by Thomas Edison.

The Incandescent Lamp functions by passing electricity through a platinum filament within a glass vacuum bulb which delays the melting of the filament. The incandescent lamp was able to be lit up for a few hours.

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fecha:

7 ene 1879 año
Ahora mismo
~ 146 years ago