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24 ene 1400 año - Grinding lenses becomes work and spectacles are made.

Descripción:

People in Italy start to grind lenses and spectacles are made to improve eyesight.

Añadido al timeline:

History of the Microscope

ByAlyssa Bourke

13 dic 2017

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503

fecha:

24 ene 1400 año

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~ 626 years ago

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