Even with our modern writing technogies, putting pencil to paper remains a great way to spark ideas ... Retractable Pen and Pencil National Museum of American History Box of American Lead Pencil Co.
There are some inventions that look completely pointless to the untrained eye: who would ever need a motorized garbage can, an electric pencil sharpener or a battery-powered eraser? Quite often ...
Pencils, erasers, ballpoint pens - it was always fun ... used to leave marks on surfaces such as papyrus (an early form of paper), or a wax layer on a piece of wood. Some styluses were made ...