Via Wikipedia: In Africa, where there was no continent-wide universal Bronze Age, the use of iron succeeded immediately the use of stone.[4] Metallurgy was characterized by the absence of a Bronze Age, and the transition from stone to steel in tool substances. Sub-Saharan Africa has produced very early instances of CARBON STEEL found to be in production around 2000 years ago in northwest Tanzania, based on complex preheating principles...
Posted on: Tue, 05 Aug 2014 14:45:09 +0000
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