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5 h 36 m, 14 maio 1816 ano - 1816 the newly invented davy safety lamp was used for the first time it reduced the risk of explosions improving safety underground
Adicionado na linha do tempo:
13 nov 2017
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timeline Aidan 1
coal mining timeline
Data:
5 h 36 m, 14 maio 1816 ano
Agora
~ 208 years ago