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7h 11min, jan 1, 1857 y - 5 toothbrush
Description:
1857
H.N. Wadsworth was the first to patent the toothbrush. Like those before him, he used animal bone and swine hair.
Added to timeline:
21 Nov 2017
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Felicity
timeline toothbrushes
Date:
7h 11min, jan 1, 1857 y
Now
~ 167 years ago