Thomas Edison 2

from:Wikipedia

In the last blogpost you were asked to listen to a few minutes of the In our time programme on Thomas Edison. Here are the answers.

Which number did his first patent have?
9646
What kind of an invention was this?
Ballot counting machine
How old was he?
That was in 1868. He was 21 years old
How old was he when he died?
He died 63 years after his first patent, so he was 84 years old
How many patents had he registered by then?
1092
What other inventions are mentioned?
affordable electrical light, improvements to telegraph, invention of phonograph, and he was one of the fathers of cinema