Think Draw - Picture - Technology from 3500 BC

Title: Technology from 3500 BC
created on 24 Feb 09

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Comments on this picture (4):
1. KStanley wrote: Almost every machine know to man is based on this symetrical component invented by "primitive" engineers.
2. KStanley wrote: Many of life's failures are people who did not realize how close they were to success when they gave up. -Thomas Edison
3. marg wrote: sun-glasses ??? (aka shades)
4. KStanley wrote: sorry was trying to show the creation of the wheel