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.
. At the end of his life to health and disrepair to die in the year 1948.1931 Edison invention many appliances come with a lot of us use every day to mother Edison will be hearing disorder because the trials and get educated or because Edison has attempted is not giving up his box.The ultimate success.