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Links to information about some other inventions
Read here how an electric pencil sharpener
works
Read here about the history and development
of mechanical pencil sharpeners
Read about early typewriters here
Read here about the history of the flushing
toilet
Toys: Read about the inventors of toys here and see a timeline of the history of toys
Read about the invention of the
jigsaw puzzle
http://inventors.about.com/library/inventors/bljigsawpuzzles.htm
Read here about the invention
of scrabble
http://puzzles.about.com/library/weekly/aa122099.htm