33
/
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
August 1, 2025
8046871
764086
2

jan 7, 1879 - The incandescant lamp

Description:

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.

Added to timeline:

Date:

jan 7, 1879
Now
~ 146 years ago