After that, Guo An lay down for three days again, and then under the urging of Zhu Liang, he had to come to the Shangzhuang Village Iron Metallurgical Institute again.

As for the craftsman, it is still the ten old craftsmen.

This time, the entire iron smelting plant went up and down, and when they saw Guo An, they were all full of gratitude.

Obviously, the rewards that Zhu Di gave to these craftsmen have all gone to the hands of these craftsmen.

Especially Zhong Huo, after seeing Guo An, his face was even more attentive.

"The next person sees Guo Xianzun, Guo Xianzun came to the iron smelting institute again, but he has already come up with a method?"

"Steward Zhong's eyes are really vicious, the official has been meditating for so many days, and he has turned over hundreds of books, and finally has a little inspiration."

Guo An was talking nonsense in a serious way.

Zhong Huo said with admiration on his face: "Guo Xianzun is really a genius of Tianzhong, I don't know what objects Guo Xianzun needs, as long as it is in the iron smelting institute, the villain will definitely bring it to the county zun." ”

Zhu Liang on the side had a strange face, but he knew that in the past few days, this Guo County Zun has been lying on a chair, and he didn't even worry too much about the government affairs in the county office.

If it weren't for His Royal Highness who couldn't stand it and asked him to urge, this Guo Xianzun would be able to lie at home for another half a month.

And this will, Guo An has already begun to say.

"Steward Zhong, the ordinary method, to build a three-zhang high house, it is indeed very difficult.

Therefore, the official intends to develop another building material. ”

Zhong Huo's eyes lit up, and he hurriedly said: "Guo Xianzun can just tell the villain." ”

"Very good, this officer needs some limestone, and he needs some clay."

"This matter is easy, these things villain will be able to send a stone to the county in a while."

Then the magistrate had to crush the limestone, grind it to a size like clay, mix it with the clay, and calcinate it in a furnace.

The temperature of the furnace should be at least the same as that of the iron-making furnace, and as for the calcination time, it should be calcined for an hour first. ”

"This ......"

Zhong Huo was stunned for a moment, and then nodded slowly.

"The villain will tell his subordinates to do it."

"And plaster, some too!"

"It's also simple......

Soon, Zhong Huo called a few craftsmen to look for limestone, clay, and gypsum.

"Guo Xianzun, I don't know what you're going to do here?"

Zhu Liang and the blacksmith were all confused when they listened.

"This official is going to develop a building material that is even more sticky than glutinous rice, called cement, to build a house for that giant iron-making furnace, and you should have heard it just now!"

Zhu Liang and the blacksmith all nodded subconsciously.

What Guo An said to Zhong Huo just now, they all heard it word for word.

"Okay, let's go and prepare, and when the limestone arrives, we will quickly crush and calcin, maybe after the development is successful, you can all get ten taels, or even more."

"Guo Xianzun looks good......"

The old craftsmen were suddenly full of energy.

Guo An was not too anxious about the development of cement.

Cement is much easier than iron, as long as you try the ratio of limestone to clay and gypsum!

These things should not exceed five days at most.

And the rest is bricks.

Thinking about it, Guo An looked at Zhu Liang beside him.

"Dare to ask General Zhu, does His Highness have a brick factory?"

"Brick factory?"

Hearing this, Zhu Liang's eyes lit up, "Guo Xianzun is going to use bricks to build a house for that giant iron-making furnace?" ”

Guo An nodded, "Hmm!" ”

"When it comes to bricks, Guo Xianzun can rest assured, His Royal Highness King Yan really has a brick factory."

Zhu Liang said, "It's just that the brick factory doesn't fire a lot of bricks, which shouldn't be enough for Guo Xianzun." ”

"It's okay, it's just a house, and it doesn't take many bricks."

Guo An waved his hand casually and asked, "After five days, can you send 10,000 bricks?" ”

Due to the habit of building city walls with bricks in the Ming Dynasty, the bricks fired by all brick factories were generally relatively large, which could reach one foot seven or two feet.

10,000 bricks can build a house.

"Guo Xianzun can rest assured, 10,000 bricks can still be sent."

After Zhu Liang finished replying, he said with some hesitation: "Guo Xianzun, the last general will say more, there is little grain in Beiping, and His Royal Highness King Yan will never allow glutinous rice mortar to build houses." ”

"Although General Zhu is relieved, this official does not dare to spoil the grain!"

Guo An smiled lightly, "When the cement is developed, General Zhu and His Royal Highness King Yan will understand." ”

"In this way, the last general will be relieved!"

Zhu Liang breathed a sigh of relief.

Next, the boring process of calcining the cement.

While calcining, while testing, while recording.

Zhu Liang couldn't understand these, and when he reported to Zhu Di, it was only a report of 1510, Guo Xianzun was taking the ten craftsmen every day, constantly grinding the stones, and then burning the stones, and then watering and stirring after burning.

"Do you still need river sand?"

As Guo An fired cement, Zhu Di became more and more confused.

"Your Highness, that's exactly the case."

Zhu Di rubbed his eyebrows and looked at the Daoyan monk on the side.

"The mage is very knowledgeable, looking at the past and the present, I don't know if I have heard of the cement thing?"

"The monk is ashamed, and he doesn't know what kind of object that Guo Xianzun is developing."

Monk Daoyan looked indifferent.

Zhu Di looked at Zhu Fu again, and Zhu Fu also hurriedly shook his head.

When he first heard the name of cement, Zhu Fu specifically checked the books in the palace, but found nothing.

Zhu Di looked at Zhu Liang again, "Guo Anke told you, when will the cement be forged?" ”

Returning to His Royal Highness, Guo Xianzun said that the cement had been calcined, but if it could be used to build houses, it was necessary to experiment with the best ratio.

Therefore, the last general feels that it will be a few more days! ”

Zhu Liang hurriedly reported.

"In this way, five days later, this king will go to Shangzhuang Village to have a look!"

Zhu Di nodded slightly, then remembered something, and asked, "Now, how many giant iron-making furnaces have been built in the iron smelting plant?" ”

Zhu Liang said: "Back to Your Highness, three pieces have been built, but if you want to use them to make iron, it will take a few days." ”

"Very good!"

Zhu Di asked again: "During this period of time, how is the situation on the farm?" ”

Zhu Fu replied: "Back to Your Highness, four chickens have died on the farm in the past few days, and one pig has died of illness, but with a few veterinarians sent by His Highness, there has been no major mess. ”

Zhu Di nodded slightly, "The farm is particularly important, and there must be no accidents." ”

"Please let your Highness down, Weichen must keep an eye on the farm!"

Zhu Fu hurriedly saluted.

As Guo An, a foreign official, gradually made merits to Zhu Di, the king of Yan, Zhu Fu, the chief of the palace of Yanwang, and all the officials in the palace of Yanwang were under pressure.

And the farm is the only place where they can make a difference at the moment.

Therefore, Zhu Fu and some officials of Yanwang Palace did not dare to be careless about the farm.

……