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jan 7, 1839 - 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.

Added to timeline:

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Date:

jan 7, 1839
Now
~ 179 years ago
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