3 h 19 m, 30 dic 1779 año - 3 toothbrush
Descripción:
1780William 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.
Añadido al timeline:
fecha:
3 h 19 m, 30 dic 1779 año
Ahora mismo
~ 244 years ago
