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Chapter 20, Lesson 2 Inventions. Technology 1844 Telegraph sent messages instantly 1876 Alexander Graham Bell invented telephone, by the 1890s, hundreds.

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Presentation on theme: "Chapter 20, Lesson 2 Inventions. Technology 1844 Telegraph sent messages instantly 1876 Alexander Graham Bell invented telephone, by the 1890s, hundreds."— Presentation transcript:

1 Chapter 20, Lesson 2 Inventions

2 Technology 1844 Telegraph sent messages instantly 1876 Alexander Graham Bell invented telephone, by the 1890s, hundreds of thousands sold 1868-typewriter 1888-adding machine

3 Thomas Edison Sets up workshop in 1876 Phonograph Motion picture projector Storage battery Lightbulb in 1879 1882- Power plant in NYC http://youtu.be/Buju6lesYTg?t=13m

4 Henry Ford Engineer from Detroit, MI Built inexpensive car, the Model T in 1908 15 million+ sold in US Assembly line: each worker did an assigned task over and over Mass production: factory production that made stuff cheaper

5 Model T

6 African American Inventors Lewis Latimer improved wire for the lightbulb & joined Edison’s company Granville Woods created electric incubator Elijah McCoy invented mechanism for oiling machinery Jan Matzeliger made a shoe-making machine

7 Airplanes 1896 Samuel Langley made a steam powered model airplane Wilbur & Orville Wright owned a bicycle shop Built & tested gliders 1900-02 Tested gas powered plane at Kitty Hawk, NC Dec 17, 1903 Wilbur flew for just under a minute

8 Wright Brothers


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