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13 fev 1784 ano - Bifocals Invented

Descrição:

Benjamin Franklin invented bifocal lenses for glasses.

Adicionado na linha do tempo:

New timeline

ByScout Curry
19 dez 2017
0
0
469

Data:

13 fev 1784 ano
Agora
~ 240 years ago

Imagens:

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