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Sir Joseph Priestley recorded that rubber did excelently at erasing pencil markings.
"I have seen a substance excellently adapted to the purpose of wiping from paper the mark of black lead pencil."
-Sir Joseph Priestley -
Nicolas Conte revolutionizes the pencil
He used a mixture of clay and graphite that was fired before being put into the wood, replacing lead. -
Charles Goodyear discovered how to make erasers long-lasting.
He called his process of making longer-lasting rubber vulcanization. -
Charles Goodyear patented his process of making better erasers.
Because the better rubber was available, erasers became common. -
Therry des Estwaux invented the common pencil sharpener.
Estwaux invented the pencil sharpener as we know it today. -
Hyman Lipman patends putting erasers on the ends of pencils.
Lipman's patend was later rebuked because he merely combined two things with no new use. -
Eberhard Faber built first pencil factory.
Eberhard Faber buit the first pencil factory in the US in New York.
