Daily Archives: December 31, 2019

Thomas Edison publicly demonstrates first practical electric light bulb 140 years ago #OnThisDay #OTD (Dec 31 1879)


Video: 'Documentary | Thomas Edison - The Wizard of Menlo Park' (Dec. 31, 1879, at 45:52)

(New Year’s Eve, Wednesday, December 31, 1879, evening local time) — Thomas Edison first publicly demonstrated his electric incandescent light tonight by illuminating some 40 bulbs at his laboratory in Menlo Park, New Jersey. Continue reading Thomas Edison publicly demonstrates first practical electric light bulb 140 years ago #OnThisDay #OTD (Dec 31 1879)