Henry David Thoreau and his father invented the graphite, which creates very readable text; This became standard in classrooms and is the world's first #2 pencil.

Twist-Erase III Mechanical Pencils feature a sturdy, well-balanced barrel that makes it the most popular Twist-Erase Pencil Protective ... With the jumbo Twist-Up Eraser, you'll suffer no smudges ...

There are some inventions that look completely pointless to the untrained eye: who would ever need a motorized garbage can, an electric pencil sharpener or a battery-powered eraser? Quite often ...

An electric eraser could also be a timesaver. In the days before computer-aided drawing and the ease of the delete and undo ...

It can’t have been long after the invention of the pencil that people realised they occasionally made mistakes while using it. Prior to the invention of the rubber eraser we know today ...