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10 Νοε 1992 · Henry Petroski traces the origins of the pencil back to ancient Greece and Rome, writes factually and charmingly about its development over the centuries and around the world, and shows what the...
14 Μαρ 2019 · Learn about the history of pencils, erasers, sharpeners, markers, highlighters, and gel pens. See who invented and patented these writing instruments.
An eraser is an object used to remove pencil markings. It is known as an “eraser” in the United States and Canada and as “rubber” in the UK, India, Ireland, South Africa, Australia, and New Zealand. Erasers are made in different shapes, sizes, and colors and from various materials.
The science behind the pencil eraser is simple – the ‘stickiness’ of the eraser’s molecules is greater than that of the paper’s molecules and therefore the graphite marks made by the pencil are lifted from the page. Modern pencil erasers are made from a range of materials including plastic and foam.
Pencil Eraser The graphite used in pencils was first discovered in Keswick, England in 1564 and it was soon developed as a writing implement by the locals who wrapped it in string to prevent the blackening of their hands.
Regarding erasers and the history of objects (“Erasing History” by Laurel Thatcher Ulrich in the May 2009 Perspectives on History), I recommend engineer-historian Henry Petroski’s The Pencil: A History of Design and Circumstance (1989), which includes a few pages of information about pencil erasers.
7 Φεβ 2020 · Traces the origins of the pencil, explains how it is made, and describes its most famous makers. Includes bibliographical references (pages 385-407) and index.
