Before eraser, what was used to remove pencil marks?

Before rubber erasers, tablets of rubber or wax were used to erase lead or charcoal marks from paper. Bits of rough stone such as sandstone or pumice were used to remove small errors from parchment or papyrus documents written in ink. read more

At first, erasers were made to erase mistakes made with a pencil; later, more abrasive ink erasers were introduced. The term is also used for things that remove writing from chalkboards and whiteboards. Ink erasers are denser, allowing them to erase pen marks. read more

7. Many erasers contain volcanic ash. Those ubiquitous pink erasers, in particular—the pencil-toppers and Pink Pearls of the world—make use of pulverized pumice to add abrasiveness. And pumice is, of course, volcanic ash. 8. The little erasers on pencil ends are known as "plugs." Yep. read more