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Invented by Harold Grossman [53] for the Empire Pencil Company in 1967, plastic pencils were subsequently improved upon by Arthur D. Little for Empire from 1969 through the early 1970s; the plastic pencil was commercialised by Empire as the "EPCON" Pencil. These pencils were co-extruded, extruding a plasticised graphite mix within a wood ...
Between 1822 and 1874, more than 160 patents were registered pertaining to a variety of improvements to mechanical pencils. The first spring-loaded mechanical pencil was patented in 1877. Two of the most popular 19th-century lead sizes were 1.5 and 1.03 mm, "VS" and "M", respectively.
During the 1860s, people typically wrote with quill pens and ink even though Dixon introduced graphite pencils in 1829. But the American Civil War created a demand for a dry, clean, portable writing instrument and led to the mass production of pencils. At the time of Dixon's death in 1869, the Joseph Dixon Crucible Company was the largest ...
Although colored pencils had been used for “checking and marking” for decades prior, it was not until the early 20th century that artist-quality colored pencils were produced. Manufacturers that began producing artist-grade colored pencils included Faber-Castell in 1908 (the Polychromos range was initially 60 colors) and Caran d’Ache in ...
The mechanical pencil (1822); the rights were sold to Sampson Mordan and Gabriel Riddle. [38] Trifocal corrective eyeglass lenses, patented in 1827, also coining the name "bifocal" for the dual focal length lenses invented by Benjamin Franklin [39] [40] Sugar refining, by the method of Edward Charles Howard for whom he had worked. [41]
Aaron Bartholmey started a pencil collection after a Christmas gift from his first-grade teacher. Three decades later, he has a Guinness World Record. This Iowan has collected pencils for 30 years.
Image credits: efox02 #5. Her dad SA’ed me one night when we were drinking (we were 16, he bought the alcohol for us) and she and her cousin saw it happen.
The first products for sale were released in 1951, followed by pencils in 1960. [ 2 ] In 1963 Pentel launched the "Sign Pen", a fibre-type pen that was used by then President of the United States Lyndon B. Johnson , who bought a dozen of them to sign photographs, apart from being adopted as the official writing instrument of NASA and going into ...