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1 dez 1834 ano - First step for mirrors in telescopes

Descrição:

Justus von Liebig developed a process for applying a thin layer of metallic silver to one side of a pane of clear glass

Adicionado na linha do tempo:

science timeline

23 fev 2020

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285

Data:

1 dez 1834 ano

Agora

~ 191 years ago

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