Thomas edison timeline of important events

6.1.1869

Thomas Edison receives a patent for his electric voting machine.

8.8.1876

Thomas Edison receives a patent for his mimeograph.

11.21.1877

Thomas Edison announces his invention of the phonograph, a machine that can record and play sound.

11.29.1877

Thomas Edison demonstrates his phonograph for the first time.

12.6.1877

Thomas Edison, first human voice recorded, {Mary had a little lamb.}

10.21.1879

Using a filament of carbonized thread, Thomas Edison tests the first practical electric incandescent light bulb (it lasted 13½ hours before burning out).

12.31.1879

Thomas Edison demonstrates incandescent lighting to the public for the first time.

2.13.1880

Thomas Edison observes the Edison effect.

5.13.1880

In Menlo Park, New Jersey, Thomas Edison performs the first test of his electric railway.

10.1.1880

First electric lamp factory is ope