the year you lost your dignity to a pencil shapener
the pencil sharpener was made in 1828
I did, I used the pencil sharpener and made the pencil sharper.
usually pencil sharpeners are made of plastic and metal.
A pencil sharpener is made up mostly of a helical inclined plane (screw) and a lever.
A pencil sharpener is a compound machine made up of simple machines, like the screw and lever.
Stainless steel. I did an experiment about magnets and pencil sharpener blades are steel, which is a magnetic metal. (It cannot be aluminum, as it is not magnetic)
So they won't wear out the pencil sharpener.So they won't wear out the pencil sharpener.So they won't wear out the pencil sharpener.So they won't wear out the pencil sharpener.
The "Love Sharpener", was designed by John Lee Love of Fall River, MA. Love's invention was the very simple, portable pencil sharpener that many artists use, the pencil is put into the opening of the sharpener and rotated by hand, and the shavings stay inside the sharpener. Love's sharpener was patented on November 23, 1897 (U.S. Patent # 594,114). Four years earlier
http://www.officemuseum.com/pencil_sharpeners.htm you smell only joking
Well there is Carbon, Hydrogen, and Oxygen which makes up the plastic outside of a pencil sharpener. To know what element can be found inside you would have to know what a pencil sharpener is made up of on the inside.
Bernard Lassimone, a French mathematician, invented the standard manual pencil sharpener in 1828. In 1847, Therry des Estwaux invented an improved mechanical sharpener.
by a machine that works like a pencil sharpener but cuts straight