Chapter 20 lesson 2

What one invention was created in the late 1800s

• Telephone

• Automobile

• Robot

• Telegraph

What do u think this invention was used for?

During the 1830s, Samuel Morse developed the telegraph

• True

• False

Western Union Telegraph Company's trained operator's transmitted messages in Morse code.

• True

• False

Who invented the telephone

• Christopher Sholes

• Alexander Graham Bell

• John Thurman

• George Eastman

Which inventions were made from 1868 to 1876

• Telephone

• Typewriting

• Small box camera

• Vacuum Cleaner

Thomas Edison had trouble in school so his mother taught him

• True

• False

What inventions did Thomas Edison do in his laboratory?

• phonograph

• the storage battery

• the motion picture projector

• washing machine

What did Engineer Lewis Howard Latimer develop

• An improved wire for use in the lightbulb

• shoe making machine

• An oil machine

• railroads vehicle

Which from the following were African American inventor

• Lewis Howard Latimer

• Jan E. Matzeliger

• Granville Woods

• all from the above