Heya !
Who is Thomas Alva Edison ? What are his contributions ?
Answers
Answered by
10
Answer:
He found bulb . he is partially Duff but his mom said study to him. Thomas mamad said that he is not studing. but he found bulb
Attachments:
Answered by
24
Thomas Alva Edison was an American inventor and businessman who has been described as America's greatest investor.
He invented the electric locomotive, phonograph, electric pen and copying system, kinetoscope, improved the telephone, improved the syock ticker and most importantly, he invented the electric light bulb.
Similar questions