Posted by R. Berg on October 21, 2003
In Reply to: Fountain pen and pen posted by sphinx on October 21, 2003
: How to differ the two?
A fountain pen has a refillable reservoir that contains liquid ink. At least, that was the classic design; some fountain pens now have cartridges that are replaced when empty. All fountain pens are pens, but not all pens are fountain pens.