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Glass is thought to have been invented around 3000 BC during the bronze age ... During the 15th century in Venice, the first clear glass called cristallo was invented and then heavily exported. In 1675, glassmaker George Ravenscroft invented lead crystal glass by adding lead oxide to Venetian glass.
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inventors.about.com/od/gstartinventions/a/glass.htm
inventors.about.com/od/gstartinventions/a/glass.htm
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Salvino D'Armate is credited with inventing the first wearable eyeglasses in 1284. However, Egyptian hieroglyphs dating to the first century AD show people using glass sheets as a manner of vision correction.
http://wiki.answers.com/Q/Who_invented_glasses
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Inventions question: When was glass invented? Inventors of Glass Glass was first invented by the Sumerian Civilization around 3000 B.C. They prepared by mixing silica and sand in very hot forms. After ... How invented glass? Why was glass invented? Glass was invented by what? What town invented glasses? Who invented the...
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wiki.answers.com/Q/When_was_glass_invented
wiki.answers.com/Q/When_was_glass_invented
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Glass - Wikipedia, the free encyclopedia
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Glass generally refers to hard, brittle, transparent material, such as those used for windows, many bottles, or eyewear. Examples of such solid materials include, but are not limited to, soda-lime gl...
en.wikipedia.org/wiki/Glass
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The chinese invented colored glasses, for judges to wear so their emotions and thoughts wouldn't be given away. Benjamin Franklin invented bifocals. Europeans were the first to use optical glass for eyesight correction.
http://answers.yahoo.com/question/index?qid=20081123061...
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No one knows exactly when or where glass was first made. Glass appears to have been produced as far back as the second millennium BC by the Egyptians & perhaps the Phoenicians. Yet evidently it originated in Mesopotamia, where pieces of well made glass have been found, believed to date from the third millennium BC.
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www.kinsalecrystal.ie/history.htm
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Glass was invented by the ancient Egyptians, the use of glazed tiles for floors and walls in the Middle East, porcelain in China, and the art of enameling on metal by Mediterranean artisans of the Bronze Age. Even his bathtub and toilet are but slightly modified copies of Roman originals.
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www.expat.or.id/info/onehundredpercentamerican.html
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Who invented / discovered glass? Naturally occurring glass, such as obsidian, has been used since the stone age. According to Pliny the Elder, the Phoenicians made the first... ... Glass beads, seals, and architectural decorations date from around 2500 B.C. The color of "natural glass" is green to bluish green.
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www.answerbag.com/q_view/118386/date
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It's been reported (sorry, I don't have the reference) that at least one Neandertal adult male specimen has been found whose skeleton showed permanent crippling. This man had survived the mishap, ... Ancient Nineveh knew spectacles of a kind. They were magnifying lenses which were made not of glass, but of crystal.
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www.madsci.org/posts/archives/jul2000/964406300.Sh.r.ht...
www.madsci.org/posts/archives/jul2000/964406300.Sh.r.html
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