From:
Simon <moonsong@zzzzzzzzzzzzzzz>
Date:
Fri, 21 Oct 2005 09:32:54 +0000 (UTC)
Subject:
grinder wheels, elitism?
Quoted text begins.The reason why diabase was used for pounders by the ancient Egyptians was
due to its very high fracture strength.
End of quote.
Good point, Vis.
No wonder that Dieter Arnold , mentioned in his book:
Arnold, D. (1991) Building in Egypt: pharaonic stone masonry. Oxford University
Press, New York, 316 p.
http://tinyurl.com/b6yon
that the punishment for Egyptian officials convicted of official corruption was
to be "sent to the quarry" where they would presumably die from silicosis:
http://www.bbc.co.uk/history/ancient/egyptians/great_pyramid_07.shtml
Simon
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- message 00115: grinder wheels, elitism? - VisualThinker7 (21 Oct 2005)
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