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- Pen
The history of the ballpoint pen- In 1879 in Providence, Rhode Island, Alonzo T. Cross invented the stylographic fountain pen, a precursor of the ball-point pen. He engaged in competition with Duncan Mackinnon, the other stylographic ...
- A Note About Pencils
- A Pencil is the most widely used writing and drawing instrument in the world. People use pencils to write words, numbers, music, and poetry, and to draw pictures, plans, maps, ...
- Translations: Pen
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- History of the Ballpoint
- Hungarian journalist Laszlo Biro was well aware of the problems with normal pens. Biro believed that the idea of a pen using a quick-drying ink instead of India ink came ...
- Proverbs of Pen
- Students today depend too much upon ink. They don't know how to use a pen knife to sharpen a pencil. Pen and ink will never replace the pencil. ----- National ...
- How acrylic plastic is made? - Background, Raw materials, The manufacturing process of acrylic plastic
- Acrylic plastic refers to a family of synthetic, or man-made, plastic materials containing one or more derivatives of acrylic acid. The most common acrylic plastic is polymethyl methacrylate (PMMA), which ...
- History of Pens & Writing Instruments
- Graphite is a form of carbon, first discovered in the Seathwaite Valley on the side of the mountain Seathwaite Fell in Borrowdale, near Keswick, England, about 1564 by an unknown ...
- How wrapping paper is made? - Design, The manufacturing process of wrapping paper
- There are many kinds of wrapping papers manufactured specifically for the types of products they are intended to wrap. For example, wrapping paper is made for bread for sanitary and ...
- How crayons are made?
- 2- The wax has to be weighed to determine the quantity of pigment to be added. This is the only way to ensure each crayon will have the same colour ...
- The Great Eraser Caper
- Factoid #1: A lot of erasers are made by pencils manufacturers! That makes sense, since we think of the eraser as a regular component of the everyday pencil. But pencils ...
