Police radios, walking talkie, cell phone.
Telegraph, two-way radios, walkie-talkies.
The home phone
the phonograph, telegraph, and the lightbulb.
The prior inventions that influenced the development of the keyboard were typewriters and telegraph machines.
Telegraph, the typewriter,kinetoscope,
devices for telegraph he made inprovments in tecnology he invented cuplox telegraph electric pen for telegraph inprovments in telephone tec
There is a lot but the main inventions were the steamboats, telegraph, railroads, spinning jenny and the cotton gin.
The prior inventions that influenced the development of this keyword were the printing press, telegraph, and telephone.
Two new inventions came in. The telegraph and the train.
Telegraph, the typewriter,kinetoscope,
The telephone and the telegraph
Edisons major inventions are Electric Bulb, Phonograph, telegraph among others