HEATKEYS

IES (Illuminating Engineering Society of North America) - The Lighting Authority - Publisher of lighting design and illumination standards and National Electric Code for designers, manufacturers, and illumination professionals. Lighting information, ...

The Edison Tech Center is a unique multi-department, dynamic hands-on workshop that turns the technological revolution into an experience.

The Library of Congress. The Library of Congress is the nation

For the student or professional - famous inventors and inventions - history timelines - patents trademarks and copyrights - manufacturing resources - interviews with successful inventors - understanding the business of how to sell or license your new...

Over 100,000 businesses rely on us for energy saving fluorescent, halogen and LED replacement lighting! Thousands of items in stock. Click to shop now!

The National Museum of American History is one of the Smithsonian Institution museums located on The Mall in Washington DC.

U.S. National Park Service - Experience Your America

Artificial light is maybe something we take for granted - you pull a switch and there it is! But how did we come to this moment where we can take such a wonder for something so mundane. Read more about history of lamps.