The earliest historical record of fountain pen can be traced back to 10 century, and this earliest fountain pen has been used until 18 century. The development process was very slow, but it was not until the beginning of the 9th century that a pen with stable and accelerated flow was invented in the production process. Only three key inventions have made the pen a widely popular writing tool. These inventions are: gold nib made of iridium, hard rubber and free-flowing ink.
The extended data pen is a hard pen.
Hard pens mainly include pens, ballpoint pens, dip pens, pencils, plastic pens, bamboo pens, wooden pens and iron pens. , with pen and ink as the main carrier to express writing skills. It has the characteristics of convenient carrying, quick writing and wide use value. The difference between it and the soft pen is that it turns the rough stippling of the soft pen into a slender stippling and removes its muscles and bones.
The History and Value of Hard Pen/The introduction and use of western pens in Kloc-0/9th century made the Chinese brush, which had been used for more than 2,000 years, gradually retreat to the "second line", which triggered a revolution in the history of calligraphy in China and produced modern hard pen calligraphy. But for a long time, people in China didn't know that hard pen is an ancient thing in China, and the shape and function of some hard pens are only one step away from modern pens.
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