3 h 19 m, 30 dez 1779 ano - 3 toothbrush
Descrição:
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.
Adicionado na linha do tempo:
Data:
3 h 19 m, 30 dez 1779 ano
Agora
~ 244 years ago