Otaku Engineer in Great Tang Dynasty

In fact, as for the nomadic peoples in ancient China, before the Song Dynasty, they basically had no iron smelting technology. The Xiongnu, Xianbei, Rouran, and the Turks in the Sui and Tang Dynasties were all the same. Their usual sources of iron were nothing more than two, one Relying on looting, looting those settled inhabitants, such as the Central Plains; the second source is through secret trading with some special merchants, which is a bit similar to the smuggling of weapons in modern society!

By the Song Dynasty, the northern nomads were unprecedentedly strong. The Khitan, Jin and Xixia are no longer nomads. They have their own iron smelting capabilities. Xixia even developed the more advanced cold forging technology at that time. Cold forging armor was once the strongest at the time. Armor. At that time, the Chinese government also loosened the control of ironware a lot, which is why stir-fry became popular.

As for Mongolia after the Song Dynasty, as the existence of nomadic people during their peak period, their channels for obtaining ironware mainly depended on trading. At that time, there were many countries that could trade ironware with the Mongolians, and the unilateral control of the export of ironware by the Heavenly Dynasty no longer made sense. However, the Mongols are not good at smelting iron, but this does not prevent them from looting all kinds of talents who understand iron smelting technology, so at that time Mongolia was able to grow stronger and control the entire Central Plains!

According to the needle-shaped hidden weapon in his hand, Duguxin inferred that the assassin was not from the Turks but from the Central Plains. This inference is completely reasonable, because in ancient times when the technical conditions were not mature, if you wanted to create a thin needle, you would never It is as easy as modern times, not to mention that the thin needles in Duguxin’s hands are not ordinary iron, but made of special stainless steel. It is undoubtedly more difficult to make compared to the embroidery needles commonly used by ordinary people. With this, Basically, it can be concluded that the person who created this hidden weapon must be a native of the Central Plains!

"The situation in Taiyuan City was originally not as simple as you thought!"

Duguxin stood with his hand and glanced at his younger brother. He sighed and said: "Zhu Xiesheng and Kang Changan are just two outsiders, and the Wang family has been operating in Taiyuan for many years. , And the forces in the dark ground are extremely large, but these two can actually escape the royal family’s capture in Taiyuan City, which is enough to show that they are not alone in Taiyuan City. There must be another force helping them. !"

"Brother, who is the force you are talking about? How dare to fight against the king's family and your majesty?"

Hearing this, Dugu Feiying said in doubt.

Duguxin rolled his eyes, which was not very obvious, saying that he wanted to know who the power hidden in the dark was, and he had already led his troops to arrest people. Is there still time to chat with Dugu Feiying here?

After asking what Dugu Feiying said, he regretted it. After a moment of awkward silence, Dugu Feiying straightened his face, and then asked:

"Brother, when you are outside the city gate in the afternoon, why do you suggest that your Highness live in the post house instead of Wang's house? Do you believe in Wang Cishi? But even if you can’t believe in Wang Cishi, you still have to believe in the princess? Harm your Highness?"

If possible, Duguxin really wants to say: "My silly brother, you are too young!"

"I don't believe in Wang Cishi, nor the eldest princess. It's just that the Wang family is a thousand-year-old family with a big family and many children in the family. Even though Wang Cishi is the current head of the Wang family, it is impossible for everyone in the family to follow him. Although the guards of the royal family are very strong, your Highness should be safe to live in the royal family, but an indestructible city is often not broken by the enemy from the outside, but divided by the inside!"

Duguxin glanced at his younger brother and said with a serious face.

Dugu Feiying is not stupid. He is just too lazy to use his brains a lot of time. At this time, hearing Duguxin say this, he suddenly widened his eyes and said unbelievably: "Big brother, what do you mean is that in the Wang family, someone will collude with Turks , Jointly murdered His Royal Highness and them?"

"No! I just said it is possible!"

Duguxin shook his head, and said earnestly: "Although the possibility is relatively small, I can't put the safety of your Highness and others in the hands of others. You and I can't afford this risk! Do you understand?"

Dugu Feiying nodded, and said, "I understand, brother! What should I do next?"

Dugu Feiying was still very convinced for his own courageous eldest brother. No, as soon as Duguxin came, he didn't bother to use his brains, and was willing to be Duguxin's "tool man" directly, doing whatever he wanted.

"Next... Next, let's not move our troops and respond to changes in the same way. We will concentrate our energy on protecting the safety of His Royal Highness and others. Don't distract our energy from searching for Zhu Xiesheng and Kang Changan. Let the people of the Wang family look for me! I always feel that these two are not the real masterminds behind the scenes!"

Duguxin pondered for a moment and said.

"Ah? They are not the real masterminds? How is this possible?"

Hearing this, Dugu Feiying couldn't help but dumbfounded ~www.ltnovel.com~ Duguxin sneered, and said: "How can the real mastermind be discovered so easily by you? They are at best pawns on the front line! No matter what! The main task of our trip is to protect the safety of His Highness and others, rather than arresting Turkic spies. As long as your Highness and others are fine, even if we complete the task, we should not be distracted by other things, thus delaying business!"

It has to be said that Duguxin is thorough in considering issues. His purpose is very clear, his thinking is also very clear, and he will not be biased by external disturbances. In fact, in this situation where the enemy’s origin and reality are not known, he can’t Adaptation is the best way.

"What the big brother said!"

Dugu Feiying nodded and responded.

"You said before that you found half of the account book of Chuji Ironware Shop? Bring it to me!"

Duguxin suddenly remembered something, said.

"Okay! Here, here you are!"

Hearing this, Dugu Feiying did not hesitate, took out a torn book from his arms and handed it to Duguxin.

This account book can be regarded as the only valuable gain for him from sneaking into Taiyuan City ahead of time. He naturally has to carefully collect it, so he carries it next to him.

Duguxin reached out and took it, and said: "Go and transfer all the suspects in that house to this side, or you have to spread your energy over there to protect them. Starting today, we must be twelve o'clock a day. Protect the safety of His Royal Highness and others at all times, and you must make arrangements, and there must be no mistakes!"

"yes, Sir!"

After listening to the arrangement of Dugu letter, Dugu Feiying hurriedly clasped his fists to "lead the order", then turned and left.

But Duguxin sat down at the table, reflected in the dim candlelight, and began to look at the half of the account book.

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