Thomas Edison Lights the Way – NTC's Professional Educators Network
Thomas Edison didn't invent the light bulb—but here's what he did do
November 4, 1879: Thomas Edison Invents the Electric Light, Files Patent - Constituting America
Edison light bulb - Wikipedia
History of the Light Bulb | Lighting Basics | Bulbs.com
G.E.'s History of Innovation - The New York Times
Edison Perfects Light Bulb - This Day in Tech History
The History of the Light Bulb | Department of Energy
History of Light Bulbs for Home Lighting | Bulb, Edison lighting, Edison light bulbs
Edisons Light Bulb Wood Engraving Published In 1881 Stock Illustration - Download Image Now - iStock
First Thomas Edison Lamp Factory - from Edisonia (1904)
ExplorePAHistory.com - Image
Thomas Edison Invents Light Bulb and Myths About Himself | Time
In October 1879, Edison "perfected" the light bulb | Signify Company Website
Edison's Lightbulb | The Franklin Institute
Great Influencers in Energy: Thomas Edison may not have invented the light bulb; but where would it (or we) be without him. - Opinion Dynamics
Edison Light Bulb | Smithsonian Institution
In October 1879, Edison "perfected" the light bulb | Signify Company Website
Edison Bulbs History | Vintage Bulb Blog
Thomas Edison's 140-year-old experimental lightbulb up for auction
History of the Incandescent Light
Thomas Edison - Wikipedia
THOMAS EDISON INCANDESCENT GLASS LIGHT BULB EXPERIMENTS CARBON TUNGSTEN FILAMENT LAMPS INVENTIONS
When Edison Turned Night into Day | HISTORY
The Electric Light System - Thomas Edison National Historical Park (U.S. National Park Service)
Edison's light bulb turns 135 | National Museum of American History
