Study your flashcards anywhere!

Download the official Cram app for free >

  • Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off

How to study your flashcards.

Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key

Up/Down arrow keys: Flip the card between the front and back.down keyup key

H key: Show hint (3rd side).h key

A key: Read text to speech.a key


Play button


Play button




Click to flip

9 Cards in this Set

  • Front
  • Back
A device that sent electrical signals along a wire
a steamboat powered engine to pull rail cars
sleek vessels with tall masts and huge sails
clipper ship
Created the sewing machine.
Elias Howe
Began the manufacture of an iron plow with replacable parts.
Jethro Wood
Improved the iron plow to the light wieght steel plow.
John Deere
Opened a factory in Chicago that produced mechanic repairs.
Cryus McCormick
Patent the telegraph (Morse Code)
Samuel F.B Morse
Launched the first clipper ship (Rainbow)
John Griffiths