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1 ene 1815 año - Safety lamp

Descripción:

Sir Humphry Davy's invention of the safety lamp greatly improved safety for miners by reducing the risk of igniting flammable gases in mines.

Añadido al timeline:

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ByClaudia RENNIE
hace 9 meses atrás

fecha:

1 ene 1815 año
Ahora mismo
~ 209 years ago
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