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August 1, 2025
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7 gen 1879 anni - The incandescant lamp

Descrizione:

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.

Aggiunto al nastro di tempo:

Data:

7 gen 1879 anni
Adesso
~ 146 years ago