Cotton Gin
Telegraph
Steam Locomotive
Morse Code
100
He invented the cotton gin.
Who is Eli Whitney?
100
This person invented the telegraph.
Who is Samuel Morse?
100
This person invented then steam locomotive?
Who is George Stefan?
100
.... . .-.. .-.. ---
hello
200
This year is when the cotton gin was invented.
What is 1739?
200
This is the year when the telegraph was invented.
What is 1837?
200
This is the year when the steam locomotive was invented.
What is 1830?
200
- . .-.. . --. .-. .- .--. ....
telegraph
300
This is the year when the cotton gin was patented.
What is 1794?
300
This is the year when the telegraph was patented?
What is 1837?
300
This is the year when the steam locomotive was patented?
What is ?
300
-- --- .-. ... . / -.-. --- -.. .
morse code
400
... - . .- -- / .-.. --- -.-. --- -- --- - .. ...- .
steam locomotive
500
-.-. - - --- -. / --. .. -.
cotton gin
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