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2 jan 1000 ano - ~1000 AD – Reading stone

Descrição:

The first vision aid, called a reading stone, is invented. It is a glass sphere placed on top of text, which it magnifies to aid readability.

Adicionado na linha do tempo:

First microscopy timeline

5 mai 2023

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Data:

2 jan 1000 ano

Agora

~ 1026 years ago

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