'Transatlantic telegraph cable' diaporamas de présentation

A New Industrial Revolution

A New Industrial Revolution. An Age of Invention, Innovation, and Industrialization in the United States. Coal, Lead, Iron, Copper, and timber (Lumber). 1. The Bessemer Process. 2 .

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Editing the Wire

441 views • 26 slides

Create a list of the top ten BEST inventions. Be prepared to explain your answer.

Create a list of the top ten BEST inventions. Be prepared to explain your answer. Guess Who?. What do these people have in common? Alexander Graham Bell Thomas Edison Lewis Waterman James Ritty Jan Matzeliger What did each do?. telephone. light bulb. fountain pen. cash register.

225 views • 22 slides