Edison works on his lightbulb, Thomas Edison. 1880-1886 | Christie's
Feit Electric 100-Watt Equivalent ST19 Dimmable Straight Filament Clear Glass Vintage Edison LED Light Bulb, Bright White ST19100CL/930CA/HDRP - The Home Depot
These Edison era light bulbs just fetched $30K at U.S. auction | CBC Radio
The Electric Light System - Thomas Edison National Historical Park (U.S. National Park Service)
In October 1879, Edison "perfected" the light bulb | Signify Company Website