History of pencils

The inventor of the pencil with rubber

In 1858, an American Mr. Lippmann was invented with a rubber pencil. He thought that the eraser which had been put Plastic Eraser on by the side during the drawing disappeared soon, and it was troublesome to look for it, and to set the Plastic Eraser in the pencil. The idea method of attaching two already existing products is said to be the method.