Bernard lassimone biography
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Pencil sharpener
Tool for sharpening a pencil's writing point by shaving away its worn surface
A pencil sharpener (or pencil pointer, or in Ireland a parer or topper[1]) is a tool for sharpening a pencil's writing point by shaving away its worn surface.
Bernard lassimone biography
Pencil sharpeners may be operated manually or by an electric motor. It is common for many sharpeners to have a casing around them, which can be removed for emptying the pencil shavings debris into a bin.
History
Before the development of dedicated pencil sharpeners, a pencil was sharpened by whittling with a knife.
The development of pencil sharpeners began in France when a French book from 1822 reported in detail about an invention of Mr. C. A. Boucher (Paris) for the construction of a pencil sharpener. He was working with pantographs and apparently needed a device to precisely sharpen the pencils.[2][3] The device of Mr.
Boucher was technically sensible and functional. His idea