Wikipedia - On this day in 1880, Thomas Edison received the patent for his incandescent lamp, an early version of the electric light bulb. At the time of Edison's invention, other versions
Light: Incandescent Electric Light System
Incandescent light bulb - Wikimedia Commons
Light Bulb | Roblox Wiki | Fandom
Incandescent light bulb - Wikipedia
The Surprisingly Complicated Physics Of A Light Bulb
File:Incandescent light bulb (no labels).svg - Wikimedia Commons