Skip to Content

numbers, materials, non-metals

InventTable — NUMBERS ERA — Materials, non-Metals

Clear glass windows, lenses 500 AD Angelo Barovier Italy
Toilet paper improved hygiene 589 AD China
Porcelain high quality ceramic 700 AD China
Eyeglasses corrective optics 1000 AD China
Magnifying glass optics 1250 AD Roger Bacon England (UK)

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