The First Invention He Dreamed Up

Alexander griham bell invented the world's first telephone. Bell always loved making things and solving problems. He dreamed up a simple machine to speed up the d husking of corn in his friend's parents mill. Was used for several years. Essential is when something is very important or necessary. So it's like we can't live without our phones to day, ok. It's thanks to one scottish man that we have these devices to day.