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Print — Non-Metals

InventTable — PRINT ERA — Materials, non-Metals

InventionDescriptionYearInventorCountry
Latex, rubber, paint vulcanized rubber, synthetic latex paint 1500, 1844 Charles Goodyear Latin America/USA (92)
Microscope compound 1600 AD Zacharias Jansen Netherlands
Telescope optical 1608 AD Hans Lippershey Netherlands
Bifocals 2 stacked lenses 1784 AD Benjamin Franklin USA

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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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