archiving as opposed to backing up

[Paul Koning]

>>>>> "Innfogra" == Innfogra  <Innfogra at aol.com> writes:

 Innfogra> Actually it was ethe Egyptians who calculated the
 Innfogra> diameter of the world and knew it was round. And the
 Innfogra> Library in Alexandra had over 400,000 books covering the
 Innfogra> knowledge and technology of the time. 600 to 300 BC was a
 Innfogra> real high point in civilization with a real understanding
 Innfogra> of the world and technology. The Greeks adopted much of the
 Innfogra> Egyption technology. The Mediterainian area even had geared
 Innfogra> differential chronometers for navigation.

Hm, I'd love to see a reference for that.  (What's a "differential"
chronometer?) 

My understanding is that the first recorded measurement of the earth's
size was done by Eratosthenes, a Greek living in Alexandria; I
wouldn't call him an Egyptian.

	 paul