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Mar 4, 1565
first pencil discovered
The pencil was invented in 1565 in England, when a large amount of graphite was discovered -
Mar 8, 1565
another way the internet said it was invented
it was invented more than 400 years ago -
prodution of pencils
there was a mass prodution in 1662 and who invented it it was a dispute back then so no one knows -
the eraser
charles goodyear rubber manufacturing invented the first eraser -
the eraser
The eraser wasn't added to the pencil until March 30, 1858. -
the lead pencil
it was invented by a man named charles keeran -
rollerball
In 1977 a new type of ballpoint that uses low-viscosity ink was introduced - the Rollerball -
pencil grading
Pencils vary in hardness, and the system in the United States ranks pencils by their hardness. The range goes from #1 to #4, with #1 being the softest--and therefore darkest--pencil. -
the pencil
A typical pencil can draw a line 35 miles long or write about 45,000 words. -
no more lead poisining
they make pencils out of clay and graphite now instead of lead that can kill you from lead poisining