@sonic_sponge: William Addis (1734–1808) was an English entrepreneur believed to have produced the first mass-produced toothbrush in 1780. While in prison he decided that using a rag with soot and salt on the teeth was ineffective and could be improved. #fyp #reels #fy #education #british #inventions

Sonic sponge

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Saturday 17 August 2024 16:43:09 GMT