Thomas Edison grew up in 1850s.
He learned to work as a telegraph operator.
He got a lot of money, and he used money to build a laboratory.
He invented a lot of things.
We used his inventions everyday.
다음검색
Thomas Edison grew up in 1850s.
He learned to work as a telegraph operator.
He got a lot of money, and he used money to build a laboratory.
He invented a lot of things.
We used his inventions everyday.