In October 1879, Edison "perfected" the light bulb | Signify Company Website
National Inventors Hall of Fame Inductee Thomas Edison and the Light Bulb
Thomas Edison | Biography, Early Life, Inventions, & Facts | Britannica
Who Invented the Bulb? | First Bulb History, Time Line & Evolution | InforamtionQ.com
Great Influencers in Energy: Thomas Edison may not have invented the light bulb; but where would it (or we) be without him. - Opinion Dynamics
Thomas Edison Did Not Invent The Light Bulb
History of the lightbulb from incandescent to compact fluorescent
Who Invented The Lightbulb? The Story Of The First Incandescent Bulb
Tesla vs Edison - Who Really Invented the Light Bulb?
Thomas Edison | Biography, Early Life, Inventions, & Facts | Britannica
The Electric Light System - Thomas Edison National Historical Park (U.S. National Park Service)
Mini Biography: Thomas Alva Edison, Inventor, Incandescent Electric Light Bulb
Electric bulb was invented by .
Edison Light Bulb | Smithsonian Institution
The Changing of the Thomas Edison Light | Thomas Edison Muckers: Your Blog for Everything Edison, Everyday
G.E.'s History of Innovation - The New York Times
Thomas Edison - Wikipedia
These Edison era light bulbs just fetched $30K at U.S. auction | CBC Radio
Thomas Edison - Inventions, Light Bulb & Quotes
1,093 Light Bulb Moments: The Many Inventions From The Wizard of Menlo Park | GE News
10 Inventions by Thomas Edison (That You've Never Heard Of) | HowStuffWorks
History of the Light Bulb | Lighting Basics | Bulbs.com
Edison invents the light bulb...on this day | Share America
Thomas Edison Invents Light Bulb and Myths About Himself | Time
Edison's Lightbulb | The Franklin Institute
