success

Pen is now widespread use of the writing tool, it is the invention in the early 19th century. 1809, the United Kingdom issued the first batch of water on the T patent certificate, which marked the official birth of a pen.

Early in the water in the pen, ink can not flow freely. Those who write the Pistons pressure, ink flow began, and after a while to write in to pressure, otherwise the ink on to Liu Buchu. Wrote the words to this effect is not easy of course.

To 1884, a U.S. insurance company named Waterman employees, has created a supply of ink by capillary way, a better solution to these problems. This can be unloaded Biduan pen, ink with a small dropper injection.