About the Book
Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Pages: 67. Chapters: Pencil, Fountain pen, Quill, Inkwell, Lamy, Mechanical pencil, Montblanc, Silverpoint, Writing implement, Sharpie, Livescribe, Faber-Castell, Eraser, Dip pen, Four Treasures of the Study, Classmate Stationery, Stylus, Conway Stewart, Laszlo Biro, Esterbrook, Societe Bic, Perry & Co., Bic Cristal, Quink, Syng inkstand, Staedtler, Joseph Gillott, Counterfeit banknote detection pen, Gel pen, Birmingham pen trade, Ink brush, Highlighter, Ferrule, Schwan-Stabilo, Rotring, Skywriting, Permanent marker, Josiah Mason, Derwent Cumberland Pencil Company, Ballograf, Zebra, Project Eden, Yatate, Ink eraser, Namiki, Kalamos, Paint marker, Rastrum, Montegrappa, Edding, Berol, Expo Dry Erase Products, Grease pencil, Parker Vector, Digital pen, Narayam, Wet wipe marker, Chalkboard eraser, Sidewalk chalk, Tombow, Decoder pen, Reed pen, Paper Mate PhD Multi, Cretacolor, Inkpot, Noctograph, Stipula, Pentel PD345, Mean Streak Marker, Fudepen, Connector Pens. Excerpt: A pencil is a writing implement or art medium usually constructed of a narrow, solid pigment core inside a protective casing. The case prevents the core from breaking, and also from marking the user's hand during use. Pencils create marks via physical abrasion, leaving behind a trail of solid core material that adheres to a sheet of paper or other surface. They are noticeably distinct from pens, which dispense liquid or gel ink that stain the light color of the paper. Most pencil cores are made of graphite mixed with a clay binder, leaving grey or black marks that can be easily erased. Graphite pencils are used for both writing and drawing, and the result is durable: although writing can usually be removed with an eraser, it is resistant to moisture, most chemicals, ultraviolet radiation and natural ageing. Other types of pencil core are less widely used. Charcoal...