Click on the book to read Amazon reviews
DOTTY INVENTIONS : AND SOME
REAL ONES TOO
London : Frances Lincoln,
is a saying that necessity is the mother of invention. What that
means is when a need arises, some one will find a way to satisfy that need.
When Ladislo Biro grew tired of his fountain pen leaking all over him and
smudging his paper, he can up with a way to keep clean -- the ball point
pen. This is the story of young Dotty who is an inventor. As
she tries to figure out which of her inventions to enter into a contest,
we find out about many real inventions and how they came about.
Permission is granted for the
noncommercial duplication and use of this resource, provided it is substantially
unchanged from its present form and appropriate credit is given.