On 10/30/2011 8:42 PM, m II wrote:
Poured concrete bricks constructed from remote stone quarry dust.

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"Bill" wrote in message ...
It made me ponder that people were probably a lot better at using what
they had, than we might give them credit for, centuries ago. Does
anyone know how the pyramids were made yet?

With a hand powered lathe?

--
Steve Barker
remove the "not" from my address to email