THE PEN.
The pen was invented by hungarian Ladislao Josef Biro and chemist Georg Biro. The pens were manufactured in 1940.
THE ZIPPER.
The zipper was invented by Gideon Sundback. The zipper was created in 1912.The zipper was used for textile.
THE BULB.
The bulb was invented by Thomas Edison.The bulb was created on 21st Octuber 1879. The buld was a very important invention.
domingo, 21 de febrero de 2010
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1 comentarios:
Not too bad, but you haven't dealt with any of the inventions in depth.
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