The Mongols must have been the best source of cavalry, there is nothing to say.

Jianlu had already formed the Mongolian Eight Banners, and Huang Taiji still attached great importance to it, and sometimes, the configuration of armor and other weapons and equipment even gave priority to these Mongols.

But no matter what, in terms of financial resources, Daming's side is completely more attractive than Jianyu's side. Before the advent of the Gatling machine gun, before the advent of tanks, cavalry had always been a very important branch of the army, and Zhang Mingwei had no reason not to form a strong cavalry army.

Therefore, he basically agreed to all the conditions proposed by Namuji. For him, as long as it is a problem that can be solved with money, it is not a problem. If it weren't for being too busy, there would be ideas for money. The worst thing is that the money that is now raiding the house is enough to support it for a while!

Seeing Namuji happily and in a hurry to find a suitable companion, Zuo Yingxuan didn't know what to say!

You must know that during the Apocalypse, the Ming Dynasty also hired Mongolians, and at that time, he still paid for him with the Mongolian Great Khan, that is, Lin Dan Khan. Then, in the end, Da Ming couldn't come up with the money he promised to give.

At that time, it seemed to be 50,000 taels, which was not too much anyway, but the imperial court just couldn't come up with the money.

And now, judging from the Xingguo Gong's handwriting of the resettlement of the military and civilians in Liaodong, there must be the financial resources to hire many Mongols to fight for the Ming Dynasty. If you promise another Ming official position or something, then you don't die for Daming!

Thinking of this, Zuo Yingxuan suddenly felt a little emotional. The imperial court obviously has a very big advantage, but since the beginning of the Wanli Dynasty, it has become weaker and weaker, and it has been beaten by a tribe in Liaodong and lost so much territory. And Kannai is so chaotic, it's like a dead country!

However, fortunately, Xingguo Gong suddenly appeared and temporarily solved the problem of Jianyu with great courage and high price. As long as you can prevent the captives, the court can concentrate on suppressing the thieves!

Thinking like this, he couldn't help but admire his benefactor very much, no wonder the emperor trusted him so much!

However, thinking about it, when he arrived at the pass of Qingshui Mingyue Pass, looking at the groups of Liaodong soldiers and civilians, as well as the local people building the city wall, Zuo Yingxuan couldn't help but point to the construction site and said to Zhang Mingwei, "Guogong, please see, to build these city walls, the outside has to be made of this kind of city bricks." Otherwise, if the artillery bombardment of Jianyu is carried out, it will not be able to stop it at all. Therefore, it is necessary to have strength. ”

In previous dynasties, the city walls were made of local loess or black soil, which were tightly tamped and beaten layer by layer.

In the Ming Dynasty, it began to use brick-clad walls. The bricks used to build the walls are called city bricks, which are wider and longer than the bricks used in houses, and of course heavier.

And the city bricks are built with white mortar, all the city walls made of this kind of bricks, its skin is made of bricks, and the pedestal is built with stone strips, and the height of the stone strips is not very equal, some places are one meter, some places are two meters, and the brick wall is built on the top of the stone strips.

Zhang Mingwei looked at a group of strong men, shouting trumpets, and rolling large stones under wooden sticks and the like. There are also pulley blocks for lifting stones, and even winches. In this regard, there is not much room for improvement.

In this regard, he couldn't help but feel a little regretful.

Otherwise, you can show off and explain the physics by the way. Others may be stunned, but Zhu Yujiao will definitely admire. Then when I go back to Jingshi, those two students will also hear about it, and it will spark their interest in physics again......

After thinking about it like this, Zhang Mingwei turned his head to Zuo Yingxuan and said, "I know a method of making clay similar to Sanhe soil, which is called cement. Combined with steel ......"

Speaking of which, he realized that the steel production of this era could be extravagant enough to build reinforced concrete, so he changed his words and said, "...... Combined with bamboo, wood and the like, the number of stone strips and bricks can be reduced, and it can also be relatively strong. ”

In fact, even if it is built with cement, the effect is certainly not as good as that of using stone strips and city bricks to build and glue. However, not a single wall was made entirely of bricks.

Therefore, if you want to talk about the cost performance, the use of cement city walls, of course, there is no need to say.

And the firing method of cement, it is all rotten street things, of course Zhang Mingwei knows.

At this time, Zuo Yingxuan listened to it, and couldn't help but be a little curious, he had never heard of this thing called cement in Xingguogong's mouth. He immediately asked, if he could reduce his labor and speed up the construction, of course he liked it the most.

So, Zhang Mingwei briefly described the effect of cement, which made Zuo Yingxuan overjoyed.

However, he was also a little strange, if there is such a good thing for bonding, why has he never heard of it before?

So, Zuo Yingxuan asked curiously, "I don't know where Guogong saw this kind of thing called cement from what book, or where did he see this kind of thing?" Please forgive the officials for being lonely and unheard, I have never heard of such a good thing! ”

It's weird if you've heard of it! When Zhang Mingwei heard this, he couldn't help but think so in his heart, so he said to Zuo Yingxuan, "This kind of thing, we shouldn't have it yet." But Xiyi already has it. The volcano erupted, allowing them to discover the secret of this cement. ”

When Zuo Yingxuan heard this, he couldn't help but admire it greatly, he didn't expect that Guogong was so young, and he even knew so much about Xiyi's side!

However, Zhu Yujiao, who was behind Zhang Mingwei, knew that this must be the knowledge of later generations, not that Mr. went to Xiyi.

For the knowledge in her husband's mind, to be honest, she admires it very much. Think about it, what kind of scenes will it be in the future, if it can be built, it will be really bad!

At this time, near the Qingshui Mingyue Pass, there is a place to burn city bricks. Zhang Mingwei went over, gathered those craftsmen, immediately drew the kiln for firing cement, mainly to increase the firing temperature, and then told them the main proportional materials, and let them do it.

Before leaving, he told the craftsmen, "The sooner you burn it, the faster you can speed up the construction of the city wall, and you will be more sure of keeping the prisoners out of the gate, not only to protect your family, but also to make a great contribution to the imperial court." ”

When these craftsmen heard this, of course they were excited, and their enthusiasm was not too high, so they were busy.

Watching them leave, Zhang Mingwei said to Zuo Yingxuan again, "If this cement is burned, you must immediately spread it along the Great Wall and try to speed up the progress." ”

Speaking of this, he paused, and after thinking for a while, he added, "In the battle of Songjin, the construction of the captives consumed a lot, and it will definitely enter the customs and plunder." If I guess correctly, this time the internal relocation of the military and civilians in Liaodong, and then harassing the livelihood of the Jianlu, it is estimated that the Jianguo will enter the customs and loot in advance. ”

He knew that Jianyu would enter the customs and loot at the end of this year. With this matter as the premise, it is natural to guess the reason.

Generally speaking, it is difficult to predict the future, but it is actually quite simple to reverse what is already known, that is, to do it with hindsight.

But Zuo Yingxuan didn't know, and when he heard it, he couldn't help but admire it greatly, but he didn't expect Guogong to even think of this layer.

So, he immediately agreed, saying that he would do his best to repair the defense line of the Great Wall.

Zhang Mingwei nodded when he heard this, and then explained to him, "This cement can also be used to build houses and roads." Especially for road construction, if you still have time after building the Great Wall defense line, you can use this cement to repair the official roads, so that once there is a police, the army will not have to worry about muddy roads! ”

"Good, good!" Zuo Yingxuan listened excitedly, nodded again and again, "Definitely, must be repaired!" ”

After Zhang Mingwei heard his reply, he turned his head to look at Zhu Yujiao and said, "You can also record a copy of this cement firing method, report it to your father, and you can announce it to the world." Especially in the south, there is a lot of waterlogging, and after the cement is built, it is not afraid of rain. It's a good thing for the South. ”

"Good!" When Zhu Yujiao heard this, she quickly nodded and said, "I've already written it down!" ”

The two of them were talking, and suddenly, they saw Zuo Yingxuan waving his hands at Zhang Mingwei, bowing down, and saying very solemnly, "The country is righteous and righteous, and the lower officials are very admired!" ”

"......" Zhang Mingwei was a little baffled by him, so he said suspiciously, "I said Lao Zuo, how come you have learned this way and slapped sycophants at every turn?" I'm telling you, I'm not interested in this here! ”

Zuo Yingxuan listened to it, but said with a serious face, "The lower officials never make sycophants, they are all the heartfelt words of the lower officials!" ”

Speaking of this, he saw that the princess was also looking at him, so he said very seriously, "This method of firing cement, I should know only the prince of the country, right?" And the benefits of this cement are so many, if the prince sells it for money. Xia Guan thought that this was simply a treasure plate! However......"

Speaking of this, he suddenly raised his voice and said, "The prince of the country has dedicated this method of firing to the emperor to announce the world and benefit the people. Who in the world can do such a high righteousness? ”

"......" Zhang Mingwei was a little dumbfounded when he heard it, and when he said this, it seemed that it was really like this!

Just now, he actually wanted to change Daming's current situation as soon as possible. Floods in the south and drought in the north, and repeated military disasters, if the imperial court controlled the cement, it would be far less than the method of firing cement to be announced.

Cement is not as good as glass, which is classified as a luxury, it is the most basic livelihood goods, let all places do it, so as to improve the Ming Dynasty as quickly as possible.

For example, building walls to avoid being breached by thieves; For example, building houses, roads, dams, etc., these are all places where cement can be used.

Of course, it is true that as Zuo Yingxuan said, if you want to sell for money, you must be able to sell for a lot of money. However, Zhang Mingwei crossed over, and he didn't come to make money!

"The emperor treats me as a national soldier, and I naturally want to repay it with all my might!" When Zhang Mingwei said this, he glanced at Zhu Yujiao.

Zuo Yingxuan listened, and when he was about to speak, he suddenly saw a eunuch riding a fast horse.

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