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Hu Guang thought about this and issued an order: "Pass it to the minister of the Ministry of Industry and the eunuch in charge of the military affairs bureau."

It is too late to say anything about the lack of training in the Beijing camp and the majority of the people are old and weak, so we can only put it aside for the time being.

After a while, Nan Juyi, the minister of the Ministry of Industry, and Liu Shiduo, the eunuch in charge of the military affairs bureau, arrived on the top floor.

Hu Guang looked at them with a serious face and said, "You must have seen the battle of Jianlu's siege just now, right? Do you know why I summoned you?"

He did not use the title "Qing, etc." to express his unhappiness. After Nan Juyi and Liu Shiduo glanced at each other, Nan Juyi bowed and replied: "There are many firearms with explosive chambers, and there are insufficient city defense equipment. I am guilty!"

In total, two artillery pieces were blasted, and more than thirty blunderbuss were blasted. This was just the defense of a section of the city wall. If all the captives came to attack and the city defense line expanded, more firearms would probably explode.

Neither Nan Juyi nor Liu Shiduo could deny what had been witnessed by everyone. They also knew that there must be an explanation for the matter. When the emperor asked, they immediately confessed their guilt.

Hu Guang seemed to have a good attitude, so he softened his tone and said, "Nan Qing has just taken over as Minister of Industry. It would be unfair if I punish you for this. But Qing also saw that the Jianlu were cruel and eyeing the capital. . The supervision of the construction of city defense equipment must be stepped up, and it is not too much to rush the work day and night. But at the same time, we must also pay attention to the quality. If there are any mistakes, I will never be lenient!"

He knew from the memory of Emperor Chongzhen that the former Minister of Industry was Li Fengxiang. He was dismissed from his post before he traveled because of poor ordnance. At the same time, he also killed three doctors who were responsible for specific affairs.

There are actually two other reasons why Hu Guang did not punish Nan Juyi. First, we know from the memory of Emperor Chongzhen that Nan Juyi was the governor of Fujian around the third year of Tianqi. He resolutely fought back against the Dutch invasion, launched the Battle of Penghu, and drove away the Dutch, which was regarded as a great service to the country.

Another reason is that regardless of whether it is artillery or blunderbuss, the soldiers are insufficiently trained, panicked before the battle, and filled with too much gunpowder, which will also cause the chamber to explode.

When these thoughts flashed through Hu Guang's mind, he was suddenly stunned. Your sister, why have you forgotten this? Without waiting for Nan Juyi's response, he immediately added: "The newly-made artillery and muskets are determined by craftsmen to determine the correct gunpowder, and then fixed with paper..."

He explained one of the most basic common sense for future generations, that is, the method of fixed loading of ammunition, and then immediately looked at Man Gui and said: "Man Qing, you have to speed up the inspection of the existing ordnance. If the quality is not up to standard, it will be remanufactured. If the quality is up to standard, it will be refurbished." Then ask the soldiers to prepare the same ammunition, and Nan Qing will supply whatever is needed!"

"Ding, the achievement value is +1, from Nan Juyi, Minister of the Ministry of Industry!"

"Ding, the achievement value is +1, from the eunuch Liu Shiduo of the Military War Bureau!"

Hearing the system prompt, Hu Guang couldn't help but sigh to himself. Man Gui had not contributed, so he must have been squeezed dry by himself. From now on, there is no more valuable person to contribute!

"Your Majesty is wise!" Nan Juyi and Liu Shiduo unanimously bowed and praised.

"General, I will obey your orders!" Man Gui's answer was always different from others. After he finished speaking, he even looked at Nan Juyi and Liu Shiduo and demanded loudly: "When making custom-loaded ammunition, you should also Craftsmen need to be inspected and no confusion about gunpowder uses is allowed!”

Upon hearing this, Hu Guang asked curiously: "Man Qing, what is the purpose of confusing gunpowder?"

"Your Majesty, gunpowder can be divided into various uses according to different proportions. It is used for launching, and it is used for explosion..." Speaking of these, Man Gui can be regarded as a professional, and he talked eloquently.

In fact, at the end of Wanli, after the defeat of Sarhu, the court learned its lessons. One of them was proposed by Ying Zhen, the official in charge of the household affairs department at that time, demanding that the martial arts examination be reformed and the content of the examination be made more reasonable.

The original martial arts examination only included strategic theory and archery and horse martial arts assessments. In this reform, the examination content of "camp formations, mines, gunpowder, tanks, etc." was added.

Although Man Gui was not a martial artist, he had risen from the bottom of the army through meritorious service, so it was natural that he would not know these contents.

Hu Guang, on the other hand, heard it for the first time. It was very fresh and he listened very attentively.

Nan Juyi saw it from the side and couldn't help but feel relieved. I was really frightened by the emperor just now. He casually mentioned the method of fixed loading of ammunition. I almost thought that the emperor was so heroic and extraordinary that he was a genius.

Thinking about it, the emperor used to be a vassal king who grew up in the deep palace. Even if he moved out of the palace, he never left Prince Xin's Mansion. How much knowledge can a young man with little experience have? It is already remarkable that the idea of ​​fixed-load ammunition suddenly popped up just now.

Looking at the emperor's behavior at this time, it is considered normal. Nan Juyi smiled secretly as he thought: Those who say that the emperor is extremely intelligent, wise and powerful are just polite words.

However, even though he thought so, he could not suppress the turmoil in his heart. As soon as Mangui finished speaking, he directly added: "Your Majesty, all gunpowder is mainly saltpeter and sulfur, supplemented by plant ash. Nitrate is extremely yin in nature, and sulfur is The two gods of yin and yang meet in a seamless space. When they come out, the characters are stunned, and their souls are shocked and stunned. Where the nitrate nature is straight, if it hits directly, the nitrate nine and the sulfur one are. The sulfur nature is horizontal. , the critical striker uses seven nitrates and three sulfur..."

Man Gui mainly talked about its uses, while he explained from the specific ingredients. Fortunately, Hu Guang had the memory of Emperor Chongzhen and could understand what he said. He said that the explosive force of saltpeter was strong vertically, so the gunpowder used for shooting was saltpeter nine sulfur one; and the explosive force of sulfur was strong horizontally, so the gunpowder used for blasting was The ingredient is nitrate seven sulfur three...

Hearing this, Hu Guang suddenly remembered the weakness of the artillery he had discovered before, and thought about finding a good defense method, when a noun suddenly appeared in his mind.

He immediately interrupted Nan Juyi's somewhat showy words and said: "Yes, I have an idea. In the subsequent city defense battle, Hongyi cannons, general cannons and other weapons that fire iron bullets should not waste gunpowder. Only When there is a slow-moving or immobile large siege machine outside the city, only fire artillery to destroy it..."

Hearing the emperor speak, Nan Juyi had to shut up. However, when he heard clearly what Hu Guang said, he was surprised and wanted to advise the emperor from a professional perspective.

At this moment, I heard Hu Guang continue to say: "Make most of the gunpowder into explosives, and then make large explosives, use iron shells, or porcelain shells, etc., and ask them to be filled with things that can hurt the enemy. Nails, gravel, etc. with high destructive power can be used. Well, you can also fill the outer layer with tung oil and other flammable materials. Just such a thing, light the fuse and throw it into the siege building pile under the city to explode, or How about using a trebuchet to throw it into the distant Jianlu pile to kill and injure the Jianlu?"

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