Thomas Edison’s incandescent light bulb, patented in 1880, made electric lighting practical, affordable, and long-lasting. It ...

This is a video recording of Francis Jehl discussing his experience working with Thomas Edison in 1879 and helping to make the first practically viable light bulb in history.

he created the first successful 'incandescent filament electric lamp' - the light bulb. He gave public demonstrations of this scientific breakthrough in late 1878 and early 1879, using ...