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High-quality plasticized vinyl or other "plastic" erasers, originally trademarked Mylar in the mid-20th century [citation needed], are softer, non-abrasive, and erase cleaner than standard rubber erasers. This is because the removed graphite does not remain on the eraser as much as rubber erasers, but is instead absorbed into the discarded ...
A kneaded eraser, also commonly known as a putty rubber, is a pliable erasing tool used by artists. It is usually made of a grey or white unvulcanized rubber (though it can be found in many different colors, such as green , blue , hot pink , yellow , and so forth) resembling putty or chewing gum.
Many pencils feature an eraser on the top and so the process is usually still considered incomplete at this point. Each pencil has a shoulder cut on one end of the pencil to allow for a metal ferrule to be secured onto the wood. A rubber plug is then inserted into the ferrule for a functioning eraser on the end of the pencil. [58]
Pencil marks can be gradually adhered to natural rubber fragments by rubbing the mark with a pencil eraser (this action is what prompted Joseph Priestley to give solidified latex its common name). Ink, however, readily penetrates the fibers of most papers and is therefore more difficult to extract by mechanical action.
In 1979, Paper Mate introduced the Eraser Mate or Erasermate brand. [6] In the 1980s, Paper Mate invented the Replay 2000 pen, with erasable ink and a rubber at one end. In 2010, Paper Mate introduced "environmentally friendly" biodegradable pens, pencils and erasers. [7] In 2012, Paper Mate introduced the brand InkJoy. [8]
An erasing shield, eraser shield, or erasure shield [1] is a thin template or mask used to control the effects of an eraser, typically on paper media used by an artist, calligrapher, drafter, or typist. [2] [3] The tool is made of a thin, flexible material such as transparent plastic, or stainless steel shim stock for durability. [2]
Image credits: historycoolkids #3. This is the grave of Leonard Matlovich. After serving three tours in Vietnam, Matlovich became a recipient of the Bronze Star and Purple Heart.
A combination between a whiteboard and a cork bulletin board Original early 1960s ad for "Plasti-slate", the first whiteboard/dry erase board invented by Martin Heit. It has been widely reported that Korean War veteran and photographer Martin Heit and Albert Stallion, an employee at Alliance, a leading flat rolled steel sheet supplier should be credited with the invention of the whiteboard in ...
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