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Ferrule. Eraser. A pencil (/ ˈpɛnsəl / ⓘ) is a writing or drawing implement with a solid pigment core in a protective casing that reduces the risk of core breakage and keeps it from marking the user's hand. Pencils create marks by physical abrasion, leaving a trail of solid core material that adheres to a sheet of paper or other surface.
Around 7% of the 1.1 million tonnes produced in 2011 was used to make pencils. [60] Low-quality amorphous graphite is used and sourced mainly from China. [50] In art, graphite is typically used to create detailed and precise drawings, as it allows for a wide range of values (light to dark) to be achieved.
A mechanical pencil or clutch pencil is a pencil with a replaceable and mechanically extendable solid pigment core called a "lead" / ˈlɛd /. The lead, often made of graphite, is not bonded to the outer casing, and the user can mechanically extend it as its point is worn away from use. The vast majority of mechanical pencils have erasers.
An internal mechanism controls the position of the graphite by friction, so that although it remains steady while writing, the graphite can be advanced forward to compensate for gradual wear or retracted to protect it when not in use. The graphite in mechanical pencils is typically much narrower than in wooden pencils, frequently in sub ...
A copying pencil, also an indelible pencil or chemical pencil, [1] is a pencil whose lead contains a dye. The lead is fabricated by adding a dry water-soluble permanent dye to powdered graphite—used in standard graphite pencils—before binding the mixture with clay. [2] [3]
The Nashoba Brook Pencil Factory Site contains the ruins of a 19th-century dam-powered pencil factory. This factory was one of several in Acton and Concord, Massachusetts at the time that brought important developments to pencil manufacturing. All that remain today of the factory are the ruins of its dam and a few mechanical components.
A colored pencil (American English), coloured pencil (Commonwealth English), [1] map pencil, [2] pencil crayon, or coloured/colouring lead (Canadian English, Newfoundland English) is an art medium constructed of a narrow, pigmented core encased in a wooden cylindrical case. Unlike graphite and charcoal pencils, colored pencils' cores are wax ...
Leonardo da Vinci's Vitruvian Man (c. 1485) Accademia, Venice. Drawing is a visual art that uses an instrument to mark paper or another two-dimensional surface. The instruments used to make a drawing are pencils, crayons, pens with inks, brushes with paints, or combinations of these, and in more modern times, computer styluses with graphics tablets or gamepads in VR drawing software.
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