Question

Which of these inventors worked primarily on the improvement of trains and streetcars? Elijah McCoy Garrett Morgan Granville T. Woods Lewis Howard Latimer

Answer 1

The answer is Granville T. Woods.

Answer 2

Granville T. Woods

Step-by-step explanation:

Granville Tailer Woods, an African-American inventor with more than 50 patents, is also the first American of African descent to be a mechanical and electrical engineer after the American Civil War. Self-taught, he concentrated most of his work on trains and trams. One of his notable inventions was the "Multiplex Telegraph," a device that sends messages between train stations and moving trains. His work ensures a safer and better public transportation system for the cities of the United States.