Pen
This is an old revision of this page, as edited by TheAmericanRedoubt (talk | contribs) at 17:31, December 30, 2014. It may differ significantly from current revision.
A pen is a writing instrument which uses ink. Popular varieties include: fountain, felt-tip, ball-point, and gel.
History
The ball point pen was invented in 1936, and over the next few decades overtook the fountain pen as the most-used writing instrument in the industrialised world.