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History of Magnifying Glasses

Posted by Adam Jolan on

History of Magnifying Glasses

The earliest evidence of a magnifying device was a joke in Aristophanes's The Clouds from 424 BC, where magnifying lenses to start kindling were sold in a pharmacy, and Pliny the Elder's "lens", a glass globe filled with water, used to cauterize wounds. (Seneca wrote that it could be used to read letters "no matter how small or dim"). Roger Bacon described the properties of a magnifying glass in 13th-century England. Eyeglasses were developed in 13th-century Italy.The magnification of a magnifying glass depends upon where it is placed between the user's eye and the object being viewed, and the total...

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