with the most common being a rubber bladder within the body of the pen that was filled by lifting a lever on the pen’s side. Only in recent years have we adopted using ink cartridges for ...

It’s probably hard to imagine writing with a feather and a bottle of ink, but that’s what writing was limited to for hundreds of years. When fountain pens first came along, they were ...

Ballpoint pens distribute fast-drying ink without the ink drying in the pen itself. It uses a thick, oil-based ink that is dispersed by a small ball in a socket at the head of the pen. The ...