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i dont now how old he was but his first invention was the phonograph made in 1877
Because Thomas Edison made it PRACTICAL, by discovering a filament that would last more than a few seconds.
The first practical incandescent light bulb. Edison and his team of researchers in Edison's laboratory in Menlo Park, N.J., tested more than 3,000 designs for bulbs between 1878 and 1880. In November 1879, Edison filed a patent for an electric lamp with a carbon filament.
The light bulb was thomas edison frist invention
Thomas Edison received such a patent, only to have it revoked, along with all of his other light-bulb patents, when it was discovered he had stolen the invention from the works of others.
thomas Edison hated the invention of the movie projecter
Thomas Edison's first great invention was the cell phone hahaha lol jk jk
thomas elva edison
ligtbulb
Invented the lightbulb!
a kangaroo
bulb
light
The light bulb was Thomas Edison's favorite invention.
The incandescent light bulb,Another Answer:Actually Edison did NOT invent the Incandescent Light Bulb, he bought the original Patent, and then LATER improved the Filament, so that it become a longer lasting, more reliable product.