Philips - The first Philips light bulb (1891). In 2012, we launched Philips hue: the world's smartest LED bulb, marking a new era in home lighting http://www.meethue.com/en-US | Facebook
Edison's light bulb turns 135 | National Museum of American History
History of the Light Bulb | Lighting Basics | Bulbs.com
History of the lightbulb from incandescent to compact fluorescent
Who Invented The Lightbulb? The Story Of The First Incandescent Bulb
History of the First Lightbulb | Who Invented the Lightbulb?
Edison Light Bulb | Smithsonian Institution
Thomas Edison demonstrated the first commercially practical light bulb, October 21, 1979
Edison's light bulb could be on endangered list
Did Thomas Edison Really Invent the Lightbulb? | Britannica
These Edison era light bulbs just fetched $30K at U.S. auction | CBC Radio
Light Bulb Manufacturing - Engineering and Technology History Wiki
Edison's First Light Bulb Replica From 1929 - YouTube
Thomas Edison Invents Light Bulb and Myths About Himself | TIME
Who Invented the Lightbulb? Hint: Not Edison | History Cooperative
Light Bulb Invention | Light Bulb Facts | DK Find Out
Dec. 18, 1878: Let There Be Light — Electric Light | WIRED
File:Demonstration light bulb, stated to be the first light bulb ever lit in public, 1879, from Henry Ford collections - Museum of Science and Industry (Chicago) - DSC06446.JPG - Wikimedia Commons
In October 1879, Edison "perfected" the light bulb | Signify Company Website
Thomas Edison Patents: The Lightbulb & Beyond
Edison's Lightbulb | The Franklin Institute
Edison's First Commercial Light Bulb | Forum for Electronics
early lightbulb - Kids | Britannica Kids | Homework Help
Edison Perfects Light Bulb - This Day in Tech History
Edison's first successful electric lamp | SPARK Museum of Electrical Invention
