isaacbowman2196 isaacbowman2196

11-06-2018
History

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What were some important inventions of the post-civil war era?

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kjohnben kjohnben

22-06-2018

Important inventions in the post-Civil War era included:
The telephone by graham bell, Bessemer Steel, the Westinghouse air brake, phonograph, mimeograph, Dictaphone, moving picture, and electric light bulb.

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