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Compared with the long-range range of naval artillery, the firing range of field artillery is much shorter, only three or four miles, which is also the requirement of field artillery, because it is aimed at destroying the enemy's living forces, and the target of the attack is within the field of vision.

The range of the garrison cannon is somewhere in between, but it is much more powerful, and it is a good choice to install on the city gate or use it for siege.

"Your Highness, are you still satisfied with these three cannons?" At the end of the test firing, Tong Yu asked Li Su a little nervously.

Li Yu nodded approvingly, because Tong Yu had already directly crossed the most basic artillery, but raised the level of the artillery to the rear loading gun, "Good job, how did you think of this rear loading shell." ”

After getting Li Yu's approval, Tong Yu's eyes smiled into a slit, and he said: "I decided to develop the rear loading after discussing with Guo Xianyuan, and the information provided by His Royal Highness also has the information of the rear loading artillery, and the machine tool bought by His Royal Highness can produce parts for the rear loading artillery, so I put my mind on the rear loading artillery, otherwise it would not have taken so long to get the artillery prototype out." ”

Li Su walked to the artillery and picked up a cannonball from the wooden box next to the artillery, the top of this cannonball is a round solid shell, and the bottom is a cylindrical shell, although it is ugly, but it has the same effect as modern cannonballs, Li Su asked: "This cannonball is also known to you." ”

"Yes, Your Highness, this is made according to the principle of the shotgun, and I think that since the shotgun can be fired directly, then why can't the artillery? So I made the shells according to the bullets of the shooting gun, but the effect of paper was not good, and then I replaced it with a copper shell, but I didn't expect it to work. When he said this, Tong Yu's tone was mixed with a hint of luck.

Li Su asked the craftsman to open the bolt. He took a look, there is indeed a striking device in this side, although it is only such a simple structure, but this will greatly improve the reloading degree of the artillery, and the fire cap in the shell is also a necessary condition for the shot, in short, there is also half of Guo Xianyuan's credit here. This fire cap was found when he was refining the pill.

Generally speaking, Li Yu is very appreciative of the three artillery pieces developed by Tong Yu, and it is a pity that these shells are solid shells, not flowering shells, but flowering shells need fuze technology, and this high-end technology cannot be opened for the time being at Taoyuan's technical level, but. This has already made Li Su very satisfied, and people can't be too greedy.

patted Tong Yu on the shoulder, Li Yu said to him with a smile: "In the future, in the history of artillery in the Tang Dynasty, you will be the first person." ”

Hearing this, Tong Yu suddenly became excited, it is everyone's dream to leave a name in history, and today he finally realized it. He is no longer a useless person who can only be seen by others as tricks.

Qin Huaiyu and Zhu Youzhi seemed to have just woken up from the shock of the artillery, and Zhu Youzhi said: "Your Highness, if the artillery is equipped with the army, it will greatly improve the combat capability of the army, and it can also greatly deter the surrounding Xiaoxiao." ”

"Don't worry, now that the artillery has been finalized, it will be produced soon, and a whole new class will be added to the army at that time. Artillery! Li Su said loudly, the successful development of the artillery has also given Li Su a reassurance, the appearance of this kind of sharp weapon will greatly make up for the shortcomings of the Shu army.

Qin Huaiyu looked stupid, the weapon of artillery has completely exceeded his imagination, this cannonball goes down, even if you have the ability to go to the sky, you can be beaten to the ground, and the era of personal bravery will soon become a thing of the past.

Zhu Youzhi nodded. "Your Highness had thought of it a long time ago, and although he had seen some descriptions of artillery, he had not seen it with his own eyes until today, which was really shocking."

Li Su smiled silently. He turned to Tong Yu and said, "These three types of artillery are all good, let the workshop start production!" ”

"Yes, Your Highness!" Tong Yu smiled, and Li Yu's words officially marked the birth of the first generation of artillery in the Tang Dynasty.

Appreciate the artillery test, Li Su and the four of them went to Taoyuan, now Taoyuan is filled with a strong academic atmosphere, the introduction of modern teaching makes it here to present a situation of a hundred schools of thought, there are people busy in each real room of the research institute, some are studying the application of steam engines in production, some are developing new chemical products, some are trying to make machinery, and different courses are open for different people with different interests Now in Taoyuan has been basically realized, According to Tong Yu's requirements, Li Yu also continued to provide the items needed by Taoyuan, whether it was chemical raw materials or various practical equipment.

Passing by a chemical room, Li Su smelled a special smell, he gently pushed open the door and looked inside, inside was a young man in his twenties, at this time he was stirring a pot of meat oil, and on his side there were already a lot of white lumps of different shapes, which were actually the most primitive soaps.

Li Yu didn't bother him, closed the door gently, and said to Tong Yu: "We must encourage craftsmen to research new technologies, especially the projects listed as key projects by this king, and we must not slack off." ”

Tong Yu walked beside Li Su, and he said: "Yes, Your Highness, I have listed the industrial equipment drawings you provided as key research projects, and I have also given the greatest financial and technical support." ”

Once these equipment are developed, it will greatly enhance the production capacity of Li Su's fiefdom, which is also Li Su's key concern, of course, other science and technology are not left behind, but also at the same time.

"Well, what has Guo Xianyuan been doing lately, why haven't you seen him all this time?" After turning around, Li Su didn't see the figure of Guo Xianyuan, a fake Taoist priest, so he asked.

Tong Yu smiled proudly: "Guo Xianyuan is competing with me!" Now it is estimated that he has gone to the steel mill to pester Ouyewang again. ”

"What's going on?" Li Su asked with interest.

Tong Yu said as he walked, "It's because of the shell shell, he saw that my shell shell was made, he was unwilling, and said that he wanted to make the bullet like this, I said that the bullet shell was too small and there was no such condition, he didn't believe that he dragged Ou Yewang to make the shell, but he tried several times and failed." ”

Li Xianyuan has a black line, this Guo Xianyuan is really a science maniac, but he is already very satisfied with the paper shell bullet Li Su, but it is not bad for Guo Xianyuan to have this idea, maybe he can really realize the manufacture of copper-shelled bullets.

After a turn in the research institute, Li Su went to the military camp opposite, and after a long time, the three of them were also a little tired, so they sat down to rest in the military office, Zhu Youzhi left the artillery test site and locked his brows, at this time he muttered and said: "Your Highness, this research institute is very important, and the secrecy of artillery and other technologies cannot be ignored. ”

Qin Huaiyu took a sip of water and said: "I agree with it, now that Shu is changing rapidly, Tuyuhun is attacking Songzhou precisely because of the wealth of Yizhou, and there may be other people who have bad intentions against Yizhou in the future, and they have to guard against it." ”

The fact that the two of them can mention it like this shows that they are really thinking about Li Su, Li Su said: "This king has already thought that the new household registration system is to prevent the mixing of fine work, and the work permit and pass are also to ensure that the research institute and other places are not mixed by some ill-intentioned people, and no one can fake these three things, so this risk can be greatly reduced." ”

"But what if some people are bought? For example, the ratio of gunpowder only needs to be verbally spoken. Zhu Youzhi asked again.

Li Xuan smiled and said: "From it, gunpowder is not Guo Xianyuanming's, and now many Taoist priests can refine gunpowder, so there is no need to hide anything about this, but this king also knows what to do, and now this king is considering reorganizing Wuhou Ting." ”

"Reorganize the Wuhou Pavilion? Didn't His Royal Highness hand over the Wuhou Pavilion to Cui Zhang? Zhu Youzhi said.

"This is different, Cui Zhang represents the legal institution, and Wuhou Pavilion is the institution that enforces the law, and the right I give Cui Zhang is to urge Wuhou Pavilion to execute the legal judgment, but Wuhou Pavilion also needs special people to manage." What Li Su said was actually the relationship between the modern procuratorate and the public security bureau.

Zhu Youzhi nodded, "I see, then how does His Highness plan to reorganize the Wuhou Pavilion?" ”

"Establish the Wuhou Mansion to manage all the Wuhou Pavilions in Bashu in a unified manner, and at the same time set up a special security agency to be responsible for monitoring important personnel and arresting Xizuo." In doing so, Li Su actually changed the shadow guard from dark to light, and turned it into a regular organization, and from now on it was officially responsible for investigation and counter-investigation work, and Su Mo'er would become a regular official, responsible for collecting all kinds of intelligence.

With soldiers in hand, Su Mo'er was able to use the information she had gathered to neatly deal with those hidden threats, including those dissident merchants, officials, and soldiers, and ensure the stability of Li Su's ruling group.

When Li Su said this, Zhu Youzhi and Qin Huaiyu both nodded, it seems that Li Su is more thoughtful than them, but Li Su's words to monitor important people also made their hearts burst out, what about them not included in this important personnel package?

Glancing at this topic, Li Su simply took it as a temporary meeting for the three of them this time, and he said to Zhu Youzhi: "By the way, you can't relax in the affairs of the army, the available students are arranged in various military departments, and the army's management system is established. ”

"Yes, Your Highness!"

The two responded in unison, and from the various measures promulgated by Li Su6, the two of them vaguely felt that Li Su was strengthening his rule over the fiefdom, and this was also what a vassal king should do.

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