Early the next morning, just after dawn, a tattered ox cart was driven out of the back door of the Lu family's mansion, and a burst of unhuman wails on the cart were heard far away in the quiet morning.

"What's wrong? What's wrong? ”

"I don't know, go check it out."

Some of the people who came out early were distracted by the screams and walked in the direction from which the sound came.

But soon, these people dispersed again, because they saw that the person who drove the ox cart turned out to be the steward of the Lu family, and the people lying in the ox cart turned out to be the third and fourth elders of the Lu family.

The Lu family is now prestigious, and its reputation is booming.

Li Chengqian's performance yesterday afternoon made the people of Chang'an City see the 'strength' of the Lu family, so although Lu Chengqing broke the legs of the two brothers and played a parade in the streets at the same time, no one dared to go over to see it.

After all, even the former prince can't handle it, and the family that needs to apologize in person is really too difficult to provoke, and now go to see the excitement, God knows if it will be retaliated against in the future.

……

Cheng Mansion, Cheng Yanjin, who had just returned from the dispersal of the dynasty, went straight to the back house with a strange smile, and kept shouting: "Girl! Girl! ”

"Father, why are you so happy?" Cheng Lin came out of Mrs. Cheng's room with red and swollen eyes, and looked at Lao Cheng in a strange smile with some dissatisfaction.

"What's the matter? A good thing, of course. Cheng Yanjin first defined what he wanted to say, and then said: "The old man told you a long time ago that your man is fine, and without the position of the prince, you can show your strength, but you don't believe it." ”

"Look at it now, it's come true, it's only been two days since I got a good Lu family's chicken feathers and duck blood, and the two descendants were expelled from the house, not to mention, Old Man Lu is still sick."

"Huh?!" Cheng Lin, who has been sullen since returning home, widens her eyes the more she listens, and finally almost surpasses the limits of human beings.

"Hey, what are you staring at, can you still lie to your father!" Lao Cheng was a little unhappy by his daughter's glare, and whether he was really glaring at him or not, he continued as if offering a treasure: "Let me tell you, this time the Lu family's power and industry will be reduced by at least half, and no one will like a family that is arrogant enough to despise imperial power. ”

Cheng Lin slowly came back to her senses in Lao Cheng's verbosity, and stepped forward to take the helmet he was holding in his arms: "Father, what is going on, you can tell me clearly, why is your daughter more and more confused the more she listens." ”

"What's so confusing about this, isn't it that at noon yesterday, the man of your family had a conflict with the two little guys in the Lu family's long house, and then he went to 'bear the guilt' in the afternoon, and this time he directly put the Lu family into the pit."

Cheng Yanjin said as if he remembered something, took a newspaper from the entourage behind him, and pointed to the largest page in front: "Look at it, this is the "Tang Xun Bao" specially brought back for you for my father, and everything is written on it." Look, that's it, that's the title: "Contempt for Imperial Power, or Lack of Family Etiquette" on the crown prince's guilt, but he was turned away! ”

In fact, when the newspaper was taken out, Cheng Lin had already seen the headline, and even the photo attached below was very clear.

It was a photo of Li Chengqian shirtless, carrying a bundle of wicker on his back and bowing down, but the head of the Lu family standing proudly in the door, the photo showed the humility of the proud Li Chengqian of the family to the fullest, which made people feel angry from the bottom of their hearts at a glance.

The family has indeed made a lot of contributions to this country, and it is true that it has a thousand-year heritage, but even so, it can't treat the former prince of the country like this, and even this prince was personally pulled down by their family the day before.

As the saying goes, killing people is not enough.

Because of their political disagreements, the two sides united with the Shi clan to abolish the crown prince of a country, which made most people feel a little indignant.

But turning around, because of a little quarrel between the two sides, the family actually forced the former prince to eat paper in public, which was a bit too much.

Then the former prince took the initiative to put down the shelf and come to apologize, but he was treated so coldly .......

A series of things have developed, and Chang'an City has gone out of its way if it doesn't blow up the temple.

I don't know who wrote this Tang Xun report, but it was written with emotion, which made people cry.

The former prince of the Tang Dynasty has been on the battlefield for the Tang Dynasty, and he has also shed blood and sweat for the Tang Dynasty.

Think of the out-of-season vegetables of winter, think of the train that travels thousands of miles a day, think of the disabled veterans on the farm who are grateful to Dade, and think of the increasing income ...... people's families.

These are the contributions made by His Royal Highness the Crown Prince to the Tang Dynasty and the people in recent years.

At present, it is just a soldier who has returned to his hometown, although it is not in line with some of the ideas of the family and the scholars, but who has no children, who has no brothers, and those soldiers who died fighting for the country, what is wrong with letting them return to their hometown?

Isn't it a person if you have a bad background? Soldiers are not people? It is true that the things of etiquette and religion were handed down by the saints thousands of years ago, but the times are changing, and people are also changing.

It is sprinkled with more than 1,000 words, which does not occupy much space, but it is extremely inflammatory.

Although the power of the Tang family is not small, most people in this country are still ordinary people, and these simple and unpretentious people know how to be grateful and know how their good days come about.

So in the afternoon of the same day, there were many dead cats, dead dogs, and rotten stones in the Lu family's mansion, and the Lu family's business plummeted in one day, and there were almost all restaurants, clothing stores, jewelry stores, etc., which belonged to the Lu family.

As for the Lu family's workshop, the workers even quit their jobs en masse, preferring not to pay at all this month's wages rather than leaving, even if the wages were doubled.

In just one day, Li Chengqian's deliberately created weakness won the sympathy of the people, and the prestige of the Lu family almost fell to the bottom, and even several major families who were good friends with them were busy drawing a line with them.

……

"Gao Ming, your trick is really high!" The research agency, Tang Shanzhi looked at Li Chengqian, who was slowly drinking tea, with drunken eyes, and let out a heartfelt admiration.

"Don't make a fool of yourself, what about Lao Tzu's cannon, don't tell me I haven't made it yet, I've said all the big things, if you can't make it, you're going to fight a bachelor for the rest of your life." Li Chengqian put down the teacup in his hand and said angrily.

Comrade Xiao Li is penniless at the moment, and he can't always rely on Songtsan Gampo, so he went to Tang Shanzhi to eat in the name of inspection.

As a result, I didn't expect the news to spread so quickly, and in one night, even the closed Research Agency had already spread the news that he personally went to Lu's house to 'take the guilt'.

"Hey, by the way, don't you say I forgot, Gao Ming, you said before that you wanted to help me tell my father about my marriage." Although Tang Shanzhi was a little drunk, he was not confused, and he immediately woke up half of his wine when he heard that he had been beaten for a lifetime.

"I said that, but is your mission accomplished?" Li Chengqian pouted.

"Of course it's done! I am good at knowing a promise and doing what I say! Xiao Tang felt Li Chengqian's contempt, and said with a stiff neck: "If you don't believe it, you can go with me for a while, I promise to surprise you." ”

"Oh?" Tang Shanzhi's words made Li Chengqian come to the spirit, patted his butt and stood up from the chair: "Go, take me to see it now, Lao Tzu Dao wants to see, what can surprise me if you have anything, and let me see what method you kid uses to solve the problem of the combination of copper and steel." ”

As early as a few months ago, Li Chengqian had made a request to Tang Shanzhi, that is, to let him try to make a batch of barrels of steel-ladle copper.

After all, the Zhenguan cannons used by Datang now are all cast iron, and its disadvantage is that it is too brittle and can't stand the huge bore when firing cannonballs. In order to solve this problem, the barrel had to be cast extremely thick when casting the cannon to solve the problem of exploding the bore.

But in this way, problems arise, the first point is that the Zhenguan cannon is very heavy, unusually heavy, whether it is transportation or use is very troublesome, and the other point is that a lot of iron will be wasted.

It is precisely because of this that Li Chengqian came up with the idea of steel-clad copper, that is, to make a steel barrel and put a layer of copper in it, which can not only increase the ductility inside the barrel, but also increase the strength of the barrel, so that the barrel can withstand greater chamber pressure.

In fact, this method was not thought of by Li Chengqian, but he used the knowledge of later generations to make a trick.

Because before 1860, when the Clauber cannon appeared, there was no cannon steel process at all, so people came up with a solution, which was to add an iron hoop to the outside of the cannon to prevent the bore from exploding.

It was precisely because of this that Li Chengqian thought of wrapping copper with steel, and he did not consider whether this practice was reasonable and realistic.

So when Tang Shanzhi said that the problem had been solved, he was very surprised, and couldn't help but wonder how Xiao Tang solved this problem, after all, the process requirements he proposed were equivalent to copper-clad steel in later generations, and it was not just the end of loading the copper pipe into the steel pipe.

Seeing this, some friends may ask, why copper core? Could it be that copper can also be used as a cannon barrel?

In fact, the copper mentioned here is not brass in the ordinary sense (of course, brass is not impossible, but the barrel needs to be made thicker), but an alloy of copper and tin, which is what we often call bronze.

Li Chengqian, who had said that he had eaten and drunk enough, followed Xiao Tang out of the Research Bureau, and rode directly outside the city, and in a short time, he had already arrived in the workshop belonging to the Research Agency outside the city.

As soon as he entered, Li Chengqian heard a deafening explosion, and he couldn't help frowning, and looked at Tang Shanzhi with a puzzled look.

"Your Highness, don't worry, this is the workers making the cannon barrel, it seems that we are also coincidental, so we have to arrange it specially." There are many people in the workshop, and Tang Shanzhi consciously restored the title of 'His Highness',

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