Twist-Erase III Mechanical Pencils feature a sturdy ... grip delivers maximum comfort and control With the jumbo Twist-Up Eraser, you'll suffer no smudges, no paper tears and no ghosts Each ...

The history of erasers dates back to the 1770s, when bread was the primary tool used to erase pencil markings. People would roll up and moisten bread to remove graphite marks effectively.

Soft, crustless bread was also used to wipe away pencil markings. It was around 1770 when things got more rubbery. The engineer Edward Nairne was responsible for the first widely available eraser ...

[Franklinstein] however decided to design a high-speed eraser integrated into a mechanical pencil that brings the ... you might want to first read our primer on small DC motors.