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On April 15, 1770, JosephPriestley described a vegetable gum which had the ability to rub out pencil marks: "I have seen a substance excellently adapted to the purpose of wiping from paper the mark of black lead pencil." He dubbed the substance rubber
Other information here - http://en.wikipedia.org/wiki/Eraser
What else can I help you with?
How many eraser are made in one year?
5
What is the eraser poem?
The eraser poem the eraser poe the eraser po the eraser p the eraser the erase the eras the era the er the e the th t .
How do you tell a 11 year old about friction?
Show examples. An eraser is a good one.
Is it correct I ran out of eraser two months into the school year?
Yes, it's possible to run out of an eraser two months into the school year, especially if you use it frequently for correcting mistakes. Factors like the workload, the number of subjects, and your writing habits can contribute to how quickly an eraser wears down. Additionally, some erasers simply don’t last as long as others.
How do you make a eraser out of a eraser?
erase something and get the shavings from the eraser and melt them together and you are done
What year was eraser put on pencil?
The eraser was first added to the end of pencils in the 1850s. Prior to this, people used separate pieces of gum or rubber to erase pencil marks. The combination of the pencil and eraser became popular with the invention of the first mass-produced pencil with an attached eraser by Hymen Lipman in 1858. This innovation helped streamline the writing and correction process.
Who created the rubber eraser?
A 10 year old Asian girl named Kelly Chang
When was the eraser invented?
in 1770 the eraser was made
What is the plural of eraser?
The plural of eraser is erasers.
Why after eraser against the paper the eraser feels warm?
Friction causes the eraser to become warm.
What is an eraser pen?
a pen eraser is an eraser which can rub out either cartridge pen or an ink pen.
How long does a kneaded eraser typically last before needing to be replaced?
A kneaded eraser typically lasts for several months to a year before needing to be replaced, depending on how frequently it is used and how well it is maintained.
