5 SIMPLE TECHNIQUES FOR BIG PENCIL CASES

7. the first pencil sharpener was a knife, duh. In 1828, a French mathematician gained a patent for any sharpener that experienced two steel files embedded inside of a bit of Wooden. It wasn’t far better than a knife. But in 1837, two Englishmen began advertising the same “patent pencil pointer” they known as the Styloxynon. town enlisted