Leaving aside electric pencil sharpeners pencil sharpner, in which you twist the pencil , uses what I've learned is called a manual prism....  ...elical blades to grind off graphite and wood.This pencil sharpener from the 1890s is quite differ...

Do you have a dull carrot? Don't just throw it awa...  ...dget is a scaled-up version of the classic manual pencil sharpener, except, conceived for peeling, sharpen...