That was the incadecent lamp. Most commonly known as the lightbulb.
The Telegrapher was his second job.
Mina Miller
Thomas Edison's second wife is Mina miller in 1886.
light
In 1915, aged 68, he invented the first synthetic form of carbolic acid (C6H6O). He died in 1931, aged 84, in New Jersey, USA.
Thomas C. Johnson made the invention of the automatic in the early 1909. It was one the great inventions of that time and was second best.
Here are some.Charles BabbageGeorge StibitzAlan TuringClaude ShannonTommy Flowers
Depends...
the franklin stove
chicken
when did thomas edison's second wife die
Yes Thomas Jefferson wrote the Second Amendment