Through a video and primary source activities, students will learn about Edison's remarkable business of innovation and some of his 1,093 patented devices.

Read about the life of Thomas Edison and his many inventions.

A lesson plan about Alexander Graham Bell's patent for the telephone and Thomas Edison's patent for the electric lamp. Contains good background information and historically pertinent documents. It also discusses the role corporations...

This resource provides information about the famous American inventor, Thomas Edison. Find out about his childhood, some of his famous inventions, and even some of his mistakes.

The invention of the light bulb quickly created the need to track people's electricity usage. In 1872, Samuel Gardiner built the first simple power meter: a lamp with an attached clock that recorded the time the light was on.