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3 h 19 min, 30 déc. 1779 ans - 3 toothbrush

Description:

1780
William Addis of England invented the first mass-produced toothbrush. While in prison, he drilled small holes in a cattle bone, tied swine fibers (from wild pigs) in bunches, passed them through the holes and then glued them.

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Felicity

ByFelicity Tounge
21 nov. 2017
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Date:

3 h 19 min, 30 déc. 1779 ans
Maintenaint
~ Il y a 245 ans
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