TOP FIVE INVENTIONS OF ALL TIME

1.TELEPHONE This invention surely rings bell.In 1870,two inventors Elisha Gray and Alexander Graham Bell both independently designed devices that could transmit speech electrically.Graham bell patented his telephone first.Elisha Gray and Graham Bell entered into a famous legal battle over the invention of telephone,which Bell won.Alexander Graham Bell success with the telephone came as a direct … More TOP FIVE INVENTIONS OF ALL TIME