- Electric Motor — 2023-09-23 15:52:02
…d to a shoemaker. In 1824 he became Lecturer in Science and Philosophy at the East India Company's Military Seminary at Addiscombe, Surrey, and in the following year he exhibited his **first electromagnet**. He displayed its power by lifting nin…
- Toothbrush — 2021-01-28 15:14:07
…e **Wisdom Toothbrushes**. The company now manufactures 70 million toothbrushes per year in the UK. {{Image url="WilliamAddisBrushes.jpg" class="right" width="250" }} == Nylon era == By **1938** the first toothbrush with nylon fibres was produc…
…e miswak from the twigs/roots of the //Salvadora persica// tree or similar to clean teeth. == Links == [[http://www.addis.co.uk/our-history Addis company]] {{Tag ids="Hygiene teeth dentures clean brush"}} …