Although often credited with invention of the lightbulb, Edison did not invent it. Rather he purchased the patent and improved it. Of his own inventions his contributions to fluoroscopy and other medical devices must rank highly.
The light bulb was thomas edison frist invention
Thomas Alwa Edison
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i dont now how old he was but his first invention was the phonograph made in 1877
because we use what he made
Edison's first great invention was the tin foil phonograph made in Menlo Park on August 12, 1877
Among the first was made by Thomas Edison for "Mary Had A Little Lamb" for his invention, the phonograph, in 1877
Because Thomas Edison made it PRACTICAL, by discovering a filament that would last more than a few seconds.
Thomas Edison was the first "industrial" inventor. He took the art of invention to new heights, and made it into a real industry. Edison's real genius lay not in invention itself, but in commercializing his inventions. He made sure that each invention would have a market, that it really was useful and desired BEFORE he invented it. He was astonishingly persistent, and kept going when others might have given up.
Among the first was made by Thomas Edison for "Mary Had A Little Lamb" for his invention, the phonograph, in 1877
Thomas Edison is Thomas Edison because Thomas Edison is Thomas Ediison
At 16, Thomas Edison came up with his first invention. It was called an automatic repeater, and it made it so the telegraph signal could be transmitted between unmanned stations, and translated at leisure.