The world's oldest lightbulb has been shining for 125 years

The world's oldest lightbulb has been shining for 125 years Conspiracy theorists say the Centennial Bulb proves a longtime utility cover-up. The answer is more complicated. More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results. The Centennial Bulb was made by Ohio's Shelby Electric Company in 1901. Breakthroughs, discoveries, and DIY tips sent six days a week.