People in the mod before the eraser. They use white bread with no edge to remove the pencil, graphite and coal. This method sometimes used by modern artists.In the years 1770 a British engineer named Edward Nairn (Edward Nairne) has been recognized as who invented the eraser rubber-be the first! Marshall found that he is going to grab the eraser nakhon bales of rubber instead of bread accidentally rubbing pencil seams and discover the features in the removal of the tires, then began manufacturing and selling Eraser, Eraser, reported that his 3 shilling per half-inch cube, which is very expensive in those days.However, the eraser, it does not cause the convenience to more bread because the eraser while it can rot and digested like bread. Later in the years 1839 Charles kood yia (Charles Goodyear) discovered the process of vulcanization (vulcanization), which is a method of treatment of rubber and make it a durable material. Eraser rubber self-tightening so popular until today.When the March 30 (1914), 1858, Hi Maine lip pamaen (Hymen Lipman) from Philadelphia, Pennsylvania United States. Patented mounting Eraser pencil into the end of the other for the first time, but later canceled because only two types of devices are assembled together, rather than a new product.Eraser may be rectangular blocks (block and wedge eraser) or conical caps that can be slippery on the tip of a pencil eraser or barrel (Cap eraser), clicked on the device, shaped like a pencil. But instead of being filled with the filling of a tank with the tank, pencil erasers, shrinking materials (vinyl, most normal light) in a dual role as a novelty erasers shaped carving (for example, musical, animal, snack) is mainly decorated their heavy vinyl tends to smear marks.
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