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1 giug 1815 anni - Humphrey Davy made the first miners lamp
Descrizione:
miners could now see what they were mining and used safer fuels for lighting
Aggiunto al nastro di tempo:
17 ott 2017
0
0
574
inventions
Data:
1 giug 1815 anni
Adesso
~ 209 years ago
Immagini: