Of course, this is just what Li Shimin pondered in his heart, in fact, even if it is simple to make books in the future, without the soil for the existence of the family's gate valves, the emperor is still a lot of fear. Pen | fun | pavilion www. ｂｉｑｕｇｅ。 ｉｎｆｏ

It's just that at that time, the family gate valve became a party formed by the same year, or region, or ideal. In the future, the emperor was not also afraid of various party struggles, and he was helpless.

Anyway, Li Shimin was very excited at this moment. After seeing Wu Yuanqing's affirmative nod, Li Shimin directly threw the matter of tearing the book out of the clouds, and directly announced the dispersion of the dynasty.

Then shouted Wu Yuanqing to return to the Lizheng Palace, and the future Weng and son-in-law got together and muttered and exchanged for a long time, and then Li Shimin directly issued an order, ordering Wu Yuanqing to be in charge of all papermaking and printing matters, and ordered Kong Yingda, Cen Wenwen, and Zhang Liang to assist from the side.

As soon as the holy decree was issued, all the civil and military forces of the Manchu Dynasty were in an uproar.

A moment ago, these people impeached Wu Yuanqing to punish him for his felony, but the impeached person didn't have any, but the impeached person became someone else's subordinate in a blink of an eye, and he wanted to be controlled by others, and he couldn't help but wear small shoes.

This Nima's revenge came too quickly, and the emperor helped to retaliate together, which was too unreasonable.

Feeling the impermanence of the world, Kong Yingda and the three of them had to go to Wu Yuanqing to report.

In other words, how is Wu Yuanqing going to make book making easy?

This matter is basically known to the world, and there are two important points related to the production of books, one is paper, and the second is printing.

Paper, the paper production of the Tang Dynasty has been quite high-level, high-quality, but unfortunately the output is not high, so the price of paper is too expensive, which makes the cost of books extremely expensive.

Therefore, if Wu Yuanqing wants to make books simple and accessible to more people, he must simplify the production of paper, or reduce the cost of making paper.

There is no detailed research on when papermaking was invented, but it is generally believed that papermaking was invented in the Western Han Dynasty, and Cai Lun of the Eastern Han Dynasty improved papermaking.

He used bark, hemp, cloth, fishing nets and other raw materials, through frustration, pounding, copying, drying and other processes to make paper, this kind of paper, the raw materials are easy to find, cheap, and the quality has also improved, which has also made paper popular, and people's tools for recording things have changed from bamboo slips to paper books.

Papermaking is basically four steps, the first is the separation of raw materials, the second is pulping, the third is copying, and the fourth is drying.

After the Han Dynasty, although the process was constantly improved and matured, these four steps basically remained unchanged, and even in later generations, in wet papermaking production, its production process was still not fundamentally different from the ancient papermaking method.

Wu Yuanqing didn't cross the previous meeting, he had a friend who was from Anhui and liked calligraphy, and then he spread rice paper and wrote there all day long.

Wu Yuanqing also wondered how expensive the rice paper was, why did he just write big characters, it was too bad.

But I never asked him, and then I came to his house to play, only to know that he Lao Tzu is making rice paper, selling rice paper, his handicraft workshop Wu Yuanqing also went in to visit in detail, so he is very familiar with the process of making paper, and also knows some of the ingredients that people need to make rice paper, such as what alum, glue, powder, bleaching, these are still very impressive.

In addition to knowing such a little craft recipe, Wu Yuanqing's biggest reliance is that he can make machinery.

The most rare point of making paper should be the second part at this time in the Tang Dynasty, pulping, which is to cut off the fibers by cutting and pounding, and make the fibers broom, and become pulp.

There is no machinery for this thing, and it is purely manual to do it, which is time-consuming and laborious, and the inefficiency is not wanted.

But this is not very difficult for Wu Yuanqing, although it can't be made of steam, electricity, and oil-using machinery, but at this time hydraulic equipment can still be done.

It is not a problem for a person with a mechanical background to design and build a waterwheel erected on the river to drive the terminal to punch and pound the pulp.

In particular, there are rivers and waterways around Chang'an City, known as eight rivers around Chang'an, which is an excellent place for this kind of hydraulic machinery.

The right guard general Zhang Liang's place of use was used by Wu Yuanqing in papermaking, what exactly is he doing, that is, let him lead people to cut bamboo, of course, other hard work also uses him.

Anyway, he is the one who leads the troops, and many of the soldiers and horses under his command take out two or three thousand people to chop bamboo as exercise, of course, it is not only these two or three thousand people for him to call, and nearly 10,000 disaster victims are also sent to follow Zhang Liang as lumberjacks and porters.

Wu Yuanqing's move not only disgusted Zhang Liang, but also solved the problem of part of the disaster victims' labor force for Li Shimin by the way.

Originally, Li Shimin was still worried about what so many victims should let them do so that they could keep busy and not think about things, but Wu Yuanqing solved the trouble of nearly 10,000 people this time.

Anyway, it is basically foreseeable that as long as the locust plague does not end, these people's stomachs do not settle, and they do not return to their hometowns, they will continue to do this dispatched labor, and they will continue to do it in exchange for food and rations.

Wu Yuanqing was busy making waterwheels and machinery on this side, and he was busy with printing on the other side.

Printed books, before the Tang Dynasty, there should have been basically none, all hand-copied books, which is also one of the reasons why books are expensive.

If I remember correctly, when I was in school, I saw that woodblock printing was only invented in the Tang Dynasty, and it didn't spread until the middle and late periods.

So now in the second year of Zhenguan, engraving printing may not have come out yet, and even if it comes out, it has just come out, anyway, in Chang'an Wu Yuanqing has not heard that there is a book sold by that family is printed.

Of course, it is even more impossible for this movable type printing book to appear.

Wu Yuanqing was going to engage in engraving printing and movable type printing together.

Why not, why not just engage in the most convenient and advanced movable type printing?

Because first of all, even if the engraving printing technology came out at this time, it had not yet spread, and compared with the previous hand-copied books, it could be regarded as a leap forward.

Come, compared with engraving printing, movable type printing is much higher about the material of this character and the material of dyeing ink.

This is true whether it is clay type, wood type, or lead type.

If you only get movable type printing, get the materials, and don't know how long it will take to dye the ink, in case Li Shimin is too lazy to wait and withdraws the project, it will not be good.

Preparation with both hands is a must, and both hands must be grasped, and both hands must be hard.