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In 1770 Joseph Priestley casually discovered that rubber to dissapear the graphite of paper
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Charles Goodyear invent the vulcanization. This help that the eraser does not rot.
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From the invention of vulcanization a eraser evolved , erasing not only graphite also ink and more.
Plan projects on a visual timeline
Map milestones, phases, deadlines, and key events in one place so the sequence is easier to see and share. Timetoast is a timeline maker for work, school, research, and stories.