Thomas edison timeline soft schools timeline

Electric Pen

First electric motor driven appliance sold in the U.S. It was the predecessor to the modern copy machine.

Carbon Button Transmitter

In Alexander Graham Bell invented the telephone.

It was a great invention, but the first telephone had very poor sound. In Edison invented the carbon button transmitter which improved the sound quality and range of Bell's telephone.

Phonograph - Recording Sound

Edison now knew it was possible to transmit sound electronically, so it is also possible to record sound.

Thomas edison timeline soft schools timeline of events

In Edison invented the phonograph and was the first to record and play back sound.

First Practical Light Bulb

Edison is most famous for inventing the first practical light bulb. Edison tested over different materials until he found the right filament to make a light bulb that was safe inside a house and which lasted for a while.

His original design concepts are still used today.

First Commercial Power Station

Edison knew he need