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5 votes
What was one thing that Granville Woods discovered or designed?

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User Kuslahne
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2 Answers

3 votes
In 1887, he patented the Synchronous Multiplex Railway Telegraph which allowed communications between train stations from moving trains by creating a magnetic field around a coiled wire under the train. Woods caught smallpox prior to patenting the technology and Lucius Phelps patented it in 1884.
answered
User Old Fox
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4 votes

Answer:

he created a telephone streetcars and more

Step-by-step explanation:

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User Abel Terefe
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