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1 magg 1839 anni - American, Thaddeus Fairbanks invents platform scales. American, Charles Goodyear invents rubber vulcanization. Frenchmen, Louis Daguerre and J.N. Niepce co-invent Daguerreotype photography. Kirkpatrick Macmillan invents a bicycle. Welshmen, Sir William Robert Grove conceives of the first hydrogen fuel cell.

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27 set 2021
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1 magg 1839 anni
Adesso
~ 186 years ago
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