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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 ...
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.
A penciller (or penciler) is an artist who works on the creation of comic books, graphic novels, and similar visual art forms, with a focus on the initial pencil illustrations, usually in collaboration with other artists, who provide inks, colors and lettering in the book, under the supervision of an editor.
Lead pencils and rubber erasers were known for a long time. [12] Up until the time of the invention, pencils and erasers were separate products. In 1867 it occurred to Blair, a poor artist in Philadelphia, that it would be more convenient to him if he combined pencil and eraser into one unit so that the eraser would readily be at hand when he ...
6. “I don’t believe in love at first sight, but you have me considering love at first swipe.” 7. “I’d say bless you, but it looks like you already have been.”
A few studies have drawn associations between microplastics and poor health outcomes, including cardiovascular disease and low male fertility. ... 1/80,000 the width of a strand of hair, to 5 ...
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 use. The vast majority of mechanical pencils have erasers.