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The town of Keswick, near the original findings of block graphite, still manufactures pencils, the factory also being the location of the Cumberland Pencil Museum.an Italian couple named Simonio and Lyndiana Bernacotti made what are likely the first blueprints for the modern, wood-encased carpentry pencil.Henry Bessemer's first successful invention (1838) was a method of compressing graphite powder into solid graphite thus allowing the waste from sawing to be reused.American colonists imported pencils from Europe until after the American Revolution.England would enjoy a monopoly on the production of pencils until a method of reconstituting the graphite powder was found in 1662 in Italy.However, the distinctively square English pencils continued to be made with sticks cut from natural graphite into the 1860s.Graphite pencils are used for both writing and drawing and result in durable markings: though writing is easily removable with an eraser, it is otherwise resistant to moisture, most chemicals, ultraviolet radiation, and natural aging.Other types of pencil core are less widely used, such as charcoal pencils, which are mainly used by artists for drawing and sketching.
The news of the usefulness of these early pencils spread far and wide, attracting the attention of artists all over the known world.The most common type of pencil casing is of thin wood, usually hexagonal in section but sometimes cylindrical, permanently bonded to the core.Similar permanent casings may be constructed of other materials such as plastic or paper.They are distinct from pens, which instead disperse a trail of liquid or gel ink that stains the light colour of the paper by absorption.Most pencil cores are made of graphite mixed with a clay binder which leaves grey or black marks that can be easily erased.
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Their version was a flat, oval, more compact type of pencil.