Cotton Gin

1
Cotton Gin

• It wad invented by Eli Whitney.
• It spun cotton around a drum and picked out waste
  with wire hooks.

2
Telephone

• There is a place where you talk and a place to
  listen to the person you are talking to.
• There is a wire that connects the talking place
  and the part you talk in into a box like thing.

3
Gas Mask

• It is a canvas hood thats placed over your head.
• It has two tubs extended from the hood and into a
  single tube.
• The open end held a sponge with water to filter
  out smoke and cool incoming air

4
Thats all folks

• written by mason
• effects by mason
• sound by mason
• background by mason

5
BIbliography

• Http//web.mit.edu/invent/www/inventarchive.html