Warren De la Rue's Incandescent Light Demo

In 1840, De la Rue enclosed a platinum coil in a vacuum tube and passed an electric current through it, thus creating one of the world's first electric light bulbs.

Announcement / Release
January 1840
Birth Place
London, England, United Kingdom

About

In 1840, De la Rue enclosed a platinum coil in a vacuum tube and passed an electric current through it, thus creating one of the world's first electric light bulbs. The design was based on the concept that the high melting point of platinum would allow it to operate at high temperatures and that the evacuated chamber would contain fewer gas molecules to react with the platinum, improving its longevity. Although it was an efficient design, the cost of the platinum made it impractical for commercial use

Something Missing? Feel Feel to Help Fix It - Sign up !

Foundations / Made Of

add part or foundation

Nothing Found

Part Of

Nothing Found