Question

How did granville woods improve the telegraph

Answer 1

Granville Woods improved the telegraph so the telegraph could transmit speech.

Hope this helps!

Answer 2

Answer:

  Granville Woods improve the telegraph by allowing a telegraph station to send and receive voice and telegraph messages over a single wire.

  He also invented the Multiplex Telegraph which allowed the train stations to sent messages to moving trains.

Explanation:

  He was an American inventor, the first African American to be a mechanical and electrical engineer after the Civil War. His Multiplex Telegraph assured a safer and better public transportation between the cities of the United States.

  I hope this answer helps you.