Edison invented more than 1,200 kinds of things, his work, including the phonograph, electric light, sound, etc.
.Edison worked diligently One night, he slept only 4-5 hours. At the end of his life, his health had deteriorated a lot. And died in the 1931. because Edison is trying to make a successful layout. Study may be very mamai disability ear.
Edison invention many electrical appliances come with a lot of us use every day although Edison will have a hearing disorder because the trials and get educated or because Edison has attempted is not giving up his box.The ultimate success.
he tried to make the Successful