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Oral— Non-Metals

InventTable — ORAL ERA — Materials, non-Metals

InventionDescriptionYearInventorCountry
Hafting stone to glue/wood lever 200,000 BCE Africa
Paints, pigments red ocre, charcoal 100,000 BCE Africa
Shell beads jewelry 100,000 BCE Israel, Algeria
Unbraided rope fiber technology 40,000 BCE Europe
Ceramic figurine fired ceramic 27,000 BCE Czechoslovakia (34)
Felt unwoven wool 20,000 BCE Central Asia
Primitive pottery fired low temperature 18,000 BCE China

Back to InventTable Era: ORAL ERA Classification: Materials, non-Metals

Leo Dean Jansen

Leo Dean Jansen, MD is a retired orthopedic surgeon with a special interest in the history of technology.  This web page is the culmination of  his efforts to define and organize the history of technology as seen through 2000 inventions.  TECHNOLOGY:  TABLE, TRUTHS, TIMELINE, TOP 100 represents the 4 parts of this project.

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