Tech progress graphs?

From: John Marlow (
Date: Tue Mar 27 2001 - 21:55:00 MST

Looking for very long-term graphs of human/proto-human technological
progress--ideally something beginning with Oldowan tools and running
to the present or beyond. Need a line graph which illustrates
increasing rate of progress.

Can anyone point me to such beasties? The more, the merrier.
Thanks for any help

John Marlow

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