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A typical construction of a ratchet-based mechanical pencil. A mechanical pencil or clutch pencil is a pencil with a replaceable and mechanically extendable solid pigment core called a "lead" / ˈ l ɛ d /. 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 ...
Silverpoint, red chalk, and traces of black pencil on white-coated paper, Kunstmuseum Basel. Silverpoint (one of several types of metalpoint) is a traditional drawing technique and tool first used by medieval scribes on manuscripts.
The graphite in mechanical pencils is typically much narrower than in wooden pencils, frequently in sub-millimeter diameters. This makes them particularly useful for fine diagrams or small handwriting, although different sizes of refill leads cannot be interchanged in the same pencil unless it has been specially designed for that purpose.
BIC Ecolutions HB Mechanical Pencils In 2021, Bic introduced an eco-friendly stationery product line called Bic ReVolution. Products sold under this line, including ball and stick pens, mechanical pencils , permanent markers and correction tape, were made using at least 50% recycled plastic, as well as the paperboard used in all of the ...
Silver mechanical pencil Catalogue from 1898 Sampson Mordan (c. 1790 – 9 April 1843) was a British silversmith and a co-inventor of the first patented mechanical pencil . During his youth, he was an apprentice of the inventor and locksmith Joseph Bramah , who patented the first elastic ink reservoir for a fountain pen .
A pencil (/ ˈ p ɛ n s ə l / ⓘ) 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.
The "Eagle Pencil Company" was founded by Franconian immigrant Daniel Berolzheimer from Fürth [6] [7] in 1856 opening a pencil shop in New York City and a factory in Yonkers. In 1894 the company extended its business opening office, warehouse and showrooms in London. [8] Eagle Pencil Co. ad, c. 1900
Autopoint was founded by Frank C. Deli, Michael M. Kaufmann, and John P. Lynn around 1920. They used the name "Realite Pencil Company." They worked with Lawrence V. Redman of the Redmanol Company to develop techniques for molding plastic bodies for pencils.