England
Bernard Lassimone, a French mathematician, invented the standard manual pencil sharpener in 1828. In 1847, Therry des Estwaux invented an improved mechanical sharpener.
china
yes at first you had to sharpen your pencil with a metal blade inside a plastic, metal , or wooden Border the pencil sharpener became big and if you just plug it in you can sharpen your pencil quicker with electricity. Then it became mobile by just making it somewhat smaller and putting batteries in it to power it while your at school Hello child of the 21st century -- LOL -- FIRST you sharpened your pencil and your quill pen with a PEN KNIFE! And there ARE pencil sharpeners that don't use electricity at all -- you can find them anywhere pencils are sold.
First of all, you have spelled it wrong, it is stationery, not stationary. At a stationery store you can buy various products related to education, such as books, notebooks, pencil pouches, pencils, pens, erasers, sharpeners, pencil colors, paint colors, water colors, papers, files, crayons, rulers and much more.
Mechanical pencils are the same in principle. They allow you to have a (somewhat) sharp point on a pencil without causing the user to have a decent writing utensil without spending 5 minutes trying to get a sharp point on a regular pencil.
Sassy + James = <3 <3 <3
Before mechanical pencil sharpeners, pencils were sharpened by whittling the wood back with a pocketknife to expose fresh pencil lead. This took practice and skill to do properly. Pencils sharpened by hand this way often looked a little "ragged". The mechanical pencil sharpener was invented to simplify sharpening of pencils and produce a more reproducible result without needing endless practice.
Derek L. Lozano and Francis Penis Major created the first mechanical pencil by joining the characteristics of a ball point pen with the convenience of an erasable pencil. First on sale in 1987! They said to have invented the mechanical pencil because they thought that using pencils killed to many tress as well as killing the enviroment...
Pencil
The first person to put rubber on a pencil was Harret Tubbmien.
Switzerland