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Hymen L. Lipman (c. 1817/1823 – November 4, 1893) is credited with registering the first patent for a pencil with an attached eraser on March 30, 1858 (U.S. patent 19,783). Hymen L. Lipman was born March 20, 1817, in either Kingston, Jamaica or in the Bahamas, to English parents.
Erasers may be free-standing blocks (block and wedge eraser), or conical caps that can slip onto the end of a pencil (cap eraser). A barrel or click eraser is a device shaped like a pencil, but instead of being filled with pencil lead, its barrel contains a retractable cylinder of eraser material (most commonly soft vinyl). Many, but not all ...
Newell Custom Writing Instruments (formerly Sanford Business-to-Business, abbreviated Sanford B2B) [2] is an American manufacturing company of stationery products. It is a division of Newell Brands, producing writing implements, in its plant of Atlanta, Georgia.
Faber-Castell AG is a German multinational manufacturer of pens, pencils, other office supplies (e.g., staplers, slide rules, erasers, rulers) [1] and art supplies, [2] as well as high-end writing instruments and luxury leather goods.
Kneader eraser. Erasing is often performed with a kneaded rubber eraser. This is a malleable eraser that is often claimed to be self-cleaning. It can be shaped by kneading it softly with hands, into tips for smaller areas or flipped inside out to clean. Other erasing tools that are often used with charcoal are electrical erasers and pencil erasers.
Pencil, perhaps made by Henry David Thoreau, in the Concord Museum Pencil manufacturing. The top sequence shows the old method that required pieces of graphite to be cut to size; the lower sequence is the new, current method using rods of graphite and clay. American colonists imported pencils from Europe until after the American Revolution.
This is a more involved process than removing pencil markings. Pencil marks can be gradually adhered to natural rubber fragments by rubbing the mark with a pencil eraser (this action is what prompted Joseph Priestley to give solidified latex its common name). Ink, however, readily penetrates the fibers of most papers and is therefore more ...
A pencil case can also contain a variety of other stationery such as sharpeners, pens, glue sticks, erasers, scissors, and rulers. Pencil cases can be made from a variety of materials such as wood or metal. Some pencil cases have a hard and rigid shell encasing the pens inside, while others use a softer material such as plastic, leather or cotton.
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