paulinasannchez paulinasannchez
  • 15-02-2018
  • History
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What contributions did Granville T. woods and Elijah McCoy make to the field of transportation

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mitchelldakota
mitchelldakota mitchelldakota
  • 15-02-2018
Granville T. Woods's most notable invention was for a type of communication called the induction telegraph system. The system allowed moving trains to communicate, helping them avoid collisions and dangers on the tracks and It also helped dispatchers locate trains.
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