October 22, 1879

Name: A lamp that burns for hours
Start: 1879-10-22T00:00:00+00:00

1879-10-22 00:00 UTC

Held by The Museum. Not for sale.

A lamp that burns for hours

Edison and his team run a carbon filament lamp long enough to make electric light practical.

Adjacent minutes

Every minute within five minutes of this one is unclaimed.

Still open