21st October 1879: Thomas Edison makes a breakthrough in his attempt to develop an incandescent electric light

Podcast: HistoryPod · Scott Allsop

Opublikowano: 2026-10-21

The breakthrough came when the team used carbonised cotton thread as a filament. A lamp that was initially illuminated on 21st October stayed lit for more than thirteen hours, providing evidence that a practical incandescent lamp was ...