In 1915, aged 68, he invented the first synthetic form of carbolic acid (C6H6O).
He died in 1931, aged 84, in New Jersey, USA.
one of thomas edisons inventions were the phoneograph and ther light bulb
Thomas Edison's favorite invention was the phonograph.
The Light Bulb
Thomas Edison's favorite invention, despite all of the inventions he did, was always the phonograph.The phonograph.
The Telegrapher was his second job.
automatic recorder
Mina Miller
That was the alternate current which put to Edison electric monopoly in the late 1800s.
Thomas Edison's second wife is Mina miller in 1886.
It is likely that Thomas Edison's best invention in the incandescent light bulb. It led to a massive surge in productivity in the 20th century in all industries.
yes. xzavier jackson and armonie taylor improved thomas edisons light bulb invention with a fan.
in menlo park