Chongzhen Undergraduates

Moreover, we have lost our coastline, and there is no way to retreat south. "

Li Nian sat down on the wooden stool after listening to Li Yan's words.It was the first time he heard his brother tell the truth to him.

"So, you took us north on purpose?" Li Yan asked desperately.

"Yes."

"You are so selfish, you don't think about your sister-in-law and nephew? You haven't even seen his face!" Li Nian cried, this was the first time he cried since he grew up.

"Although we can't go anymore, the military situation in Shandong must be reported to the emperor. I still have a secret location for the last contact, but it is in a valley with cliffs a hundred miles away.

I asked you to come here because I want you to take Shanwazi to find that place and send the news.Only Shanwazi can do this, can you take him to help brother again? "

Li Yan looked at Li Nian with pleading eyes, then handed Li Nian a cloth strip full of small characters, and stuffed it into a small bamboo tube in front of Li Nian.

Li Nian actually knew that place, but thought it had been abandoned like other contact places.As long as Jin Bing finds carrier pigeons, he will chase after them; he will notify his companions to track them in various ways.

The lamb has grown up a bit, and the goat can no longer hold it, so he can only let the sheep lead the way.The sheep are washed very white and eat the tenderest grass.Even the sheep butt has a special leather pocket.The only difficulty is that the sheep always love to call.

Like to bark is almost the characteristic of all lambs, but sheep generally don't like to bark when they grow up.It likes to walk silently, unless there are sheep around it that are also bleating.

On Douyin, a driver encountered thousands of sheep walking quietly on the road, but he imitated the sheep and let out a "baa", and the whole flock responded to him.

Shanwazi quietly led Li Nian through the Jinbing's first blockade line at night, and after running for dozens of miles, he found a grass nest by the cliff to hide in the middle of the night.The first blockade is the outpost of the golden soldiers, which is easier to pass.

The second blockade that followed was the Jin Bing's heavy defense line.Either force your way in, or find a place where you can hide and wait for the other party to pass by yourself.It is impossible to expect to sneak past at night, because Jin Bing even has hidden whistle everywhere, which is very easy to encounter.Only two people were needed for this operation, so Li Nian chose to hide in the grass nest and wait for the golden soldiers to pass by.

At dawn, the golden soldiers did not move, they were still stationed in place, which made Li Nian embarrassed.Fortunately, people say that it is really impossible to guarantee that the sheep will not move or cry all day long.The nearest enemy was on the cliff, about thirty paces away.

At first the sheep was quite obedient, but when Jin Bing let out the little dog for a walk, the sheep jumped out of the goat's arms in fright, and jumped step by step along the stones on the cliff to a steeper place.

The sudden appearance of a sheep did not make Jin Bing aware that there were people around, because it was normal for sheep to get lost on the cliff.But this group of golden soldiers became interested in hunting. They picked up their bows and arrows in groups of three and four and aimed at the lamb.

With the sound of "swish" arrows piercing the air, Li Nian and Shan Wazi watched a white object fall from the cliff with their own eyes.Then the golden soldiers on top of them rushed down the hillside with their small dogs, and the rest of the golden soldiers were also busy watching the fun, no one noticed that there were people in the grass nest around them. .

"Come on, before they're paying attention." Shanwazi pulled Li Nian up and jumped out of the grass nest. The two of them slipped past Jin Bing's camp under the cover of the color of their clothes.

Li Nian was worried that Shanwazi would feel sorry for his sheep, but he didn't expect Shanwazi's reaction to be faster than him.But when they were safe, Li Nian saw that Shanwazi's eyes were blood red, exactly the same as when he first saw the child.

Three days later, on a cliff a hundred miles away, in a cave covered by green grass, three people in green clothes met together.

"General, I have received letters from Nanjing three times in the past month. But no one has come to pick them up." The messenger soldier guarding here had purple and black lips and gray tongue coating.

"What do you eat every day?" Li Nian was curious. He found no trace of a fire in the cave.

"Like pigeons, eat raw." The signal soldier understated it, as if it was nothing more than a normal thing.

Shanwazi sat at the entrance of the cave, silently took out a handful of green grass from his arms, stuffed it in his mouth and began to chew.

Li Nian took out the letter from the south, which said: You can withdraw to the south and leave immediately!

Li Nian took out a few dry and hard pancakes from his luggage and threw them to the messenger, saying, "We will wait here for ten days, and we will return after we reply to the letter."

Chapter 361: Three Products of the Firearms Era

When Zhu Youjian received Fang Jinnan's delivery of information, he was already in Nanjing.

Li Yan and Zhu Youjian must be saved, and they are his confidantes and friends.Therefore, his reply letter to Li Yan had only one sentence: I will come to Lu to save my brother in person, and I look forward to returning!

Zhu Youjian knew that if he didn't go, Li Yan would not return south.The news that Li Yan sent back did not talk about Nangui at all, but routinely reported the situation of Hauge's department, which already showed his attitude.

Zhu Youjian, who was supposed to stay in Nanjing and sit in the town himself, decided to go north to rescue Li Yan without saying a word. This is Zhu Youjian's attitude.

"Has the second-generation grenade been successfully developed? What new weapons are there? Show me all of them." Zhu Youjian didn't even enter Nanjing City, so he came directly to Fang Yizhi.

If you want to go north in person, you must have soldiers and weapons.Otherwise, don't talk about saving people, you have to go in by yourself.People around Zhu Youjian have always used the best weapons and equipment.

"My place is not a weapon storehouse, you go to Xing Hongyan." Fang Yizhi said.

"Gao Xing?" Zhu Youjian felt awkward when he first heard the name.

"Who else is she? She doesn't have what you need. I signed the document two months ago, and mass production should have started. It's just that the production volume can't be used by the army yet, and it will take several months to accumulate."

"Yellow?" Zhu Youjian's heart was shocked, he was anxious to know the answer now.

"Light yellow, I've seen it with my own eyes." Fang Yizhi nodded with certainty, he had already seen the power of that thing with his own eyes.

"The inside of the projectile must be painted and waxed." Zhu Youjian was very excited.

"They fired the bone china into the inner body, and set it together with the cast iron shell. After the explosion, the porcelain pieces and the iron pieces flew randomly together..." Fang Yizhi directly skipped Zhu Youjian's suggestion.

Zhu Youjian was taken aback for a moment, the Chinese are no less intelligent than Japan's Shigase Masatoshi.

Picric acid was obtained by the British in the treatment of phenol with concentrated sulfuric acid and concentrated nitric acid in 1771, and it is not a technical problem.The reason why it was not widely used until the end of the [-]th century is because of the secrecy of Britain and France, and the second is that this thing is not easy to store and transport.

The difference between border-made and Japanese melons often mentioned in later film and television dramas is not that the craftsmanship of border-made is not enough, but that the explosives filled inside are not equal.Melon grenades use high-explosive powder, while many made in the border area still use black powder.

It is often said that the equipment during the Anti-Japanese War was not as good as that of the Japanese army. In fact, it means that the power of weapons cannot keep up with the opponent.

And Zhu Youjian is still afraid to play with picric acid grenade. He and Fang Yizhi are talking about picric acid mines.As for the second-generation grenade, it is only an advanced version of nitrocellulose.

This is the second batch of products produced by the chemical industry group with countless silver in the past three years. The first batch is nitrocellulose and so on.

For three full years, these things have only been tested so far, and they have not solved the problem of mass production.The only energy production is nitrocellulose, and the output is still limited.

With this output, it takes a long time to accumulate to support a campaign.This is not just a problem of expanding production capacity, but the reason why the production process cannot keep up and the overall industrial strength is insufficient.

Xing Hongyan is Gao Xing's new name for herself. She has resigned from the logistics and transportation department and mainly manages military production.

"Your Majesty, this cave is the warehouse of picric acid. There is also a cave on the other mountain, which is the warehouse of Lei Mercury."

Like the chemical base three acids and two bases mentioned in countless time-traveling novels, there are three things that travelers must solve when playing military explosives: stimulating powder, propellant powder, and explosive powder.

If someone makes a black powder granulation and can conquer the world, it would be more effective than practicing hard with bayonets.

When nitrocellulose, thunder mercury, and picric acid were invented, firearms were considered to have a real generation gap.These three things are the real reasons why Zhu Youjian spent money on material projects regardless of the consequences.As long as these three things are in hand, Ming can be said to be invincible in terms of military technology.

From now on, it means that Daming has truly entered the age of firearms.

Zhu Youjian looked at the many kinds of thunder mercury in front of his eyes, and he was relieved.Ordinary white mercury, copperized, and fat passivated are arranged in a row.

And the new type of firearm he wanted, which was excited by thundermercury and loaded with nitrocellulose propellant, was the same product as the firearms of later generations, and finally came out.In other words, most of the muskets of later generations are not ready to use nitrocellulose, but the mercury fulminate cap is standard.

"Send all the technicians who have mastered the formulas of these things to Sichuan for protection, and I will take all the stocks away."

"But your majesty, now that the enemy is at hand, shouldn't we hurry up and produce?" Xing Hongyan was puzzled.

"Even if everyone is turned over to produce, the required amount cannot be produced in a month. On the contrary, the output of black powder is higher. The situation waits for no one, and it is already too late."