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... Pliny mentions that Nero, who was myopic, used glasses when he watched the fights of the gladiators. Anonymous, "Antiquity of th...

Plutarch speaks of instruments used by Archimedes "to manifest to the eye the largeness of the sun." Anonymous, "Antiquity...

A glass case in the Assyrian section of the British Museum contains a piece of rock crystal formed into the shape of a plano-convex lens 1 ...

The use of lenses has also been traced to the Chinese moralist Confucius, 748 B. C. Anonymous, "Antiquity of the Lens," Scienti...

With regard to the antiquity of the lens the author [Edouard Fourdrignier in an article in Photo Club de Paris ] says: "If we are to b...

Many explanations, of great variety, have been given for the origin of the word Ti. We shall not try to go into all of them here. But there...

There is also a tradition of a tower of Babel built at Dharmdin; it had nearly reached the moon, when word was sent down to send up a hook ...