He invented the telephone and he also invented a way to help deaf people hear. Bells successes include:
- The photo phone (a device used for transmitting sound via light)
- He improved the Edison phonograph to make it commercially viable
- Improved wing design for airplane flight
- Developed hydrofoil technology
- Improved breeding practices for sheep breeders
- He designed an airplane called the Silver Dart
- Telephone-1876
- First crude metal detector- 1881
- Audiometer (to detect minor hearing problems) a small device that can tell if there
- Are problems with your hearing - the audio graph for detecting deafness
- Metal jacket(to assist in breathing) the forerunner of the iron lung
- Hydrofoils and Hydroplanes- 1908
He invented the telephone and he also invented a way to help deaf people hear. Bells successes include: 