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Alphabet — Energy current

InventTable — ALPHABET ERA — Energy current

InventionDescriptionYearInventorCountry
Water wheel water powered wheel mill/device 50 BCE Vitruvius Rome

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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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leodeanjansentech@gmail.com

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