The Inventions of Granville Woods The Railroad Telegraph System and the "Third Rail"
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Description
Modern train travelers owe a debt of thanks to Granville Woods. Using patent drawings and period photographs, reluctant readers will be transported back in time to the late 1800s and early 1900s, when this important African-American inventor made train travel faster and safer. Easy to read text and interesting facts highlight Woods revolutionary breakthroughs.
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