US History Industrial Revolution 19th and 20th Century

What machines still use those engines (list 2) (timeline)? Who had the 1st successful engine on a flying machine (timeline)? What is Henry Ford’s assembly line? What was it good for (timeline)? What is Alessandro Volta known for (combobox)? Name 3 inventions of Thomas Edison. What did Alexander Graham Bell invent? What is Samuel Morse known for? ................
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