Thomas Edison Quizlet
how many customers did he have after the first 10 years of being on sale?
3 million customers
can the invention of the light affect the environment pollution?
yes
date of Edison's birth?
11 february 1847
how long did his bulb last for?
1500 hours
where was Thomas Edison from & born?
America, born in Milan, Ohio, United States
what are 3 activities the light bulb has enabled us to do at night?
any of the below - street safety - eat/cook - house cleaning - night jobs - do activities
besides being an inventor he was also a ?
businessman
what was used before light bulbs?
candles/fire
was thomas's invention of the first light bulb, if not who was?
no, Humphry Duff was, but Edison's was more efficient
What was his bet known invention?
the electric light bulb