Hearing that the school was going to be opened, Zhang Mazi built the required seats and benches at an astonishing speed. The women were also refreshed to help clean up. Who doesn't want their children to be literate. This is the wish of our ancestors for many years, and now it has come true. Many people are very fortunate to have come to Phi Koh Island.

On a sunny morning, Comrade Mao Wenlong, the principal and teacher of Phidao No. 1 Primary School, officially took up his post. Principal Mao gave an impassioned inaugural speech, and despite the crazy fuss of the children below, he still insisted on his speech.

Until......!

"Silence!" Xiaobai landed on the table and roared in a loud voice.

All the children were silent, and they looked curiously at the white crooked bird in front of them. There were a few brave people who wanted to rush over.

Xiaobai, who is not afraid of cats, is naturally not afraid of these children. Bomber-like take-off, sharp beak pecked. A child's head starts bleeding! The child who was hit by the air was stunned for a moment. The sound of crying and screaming shook people's ears!

Xiaobai seems to be born to be a leader, and it seems to know the truth of killing chickens and making an example of monkeys. When he landed on the lectern again, all the children looked at it in fear.

Except for Xiaoyu!

Li Xiao looked at the bird in front of him in surprise, he suspected that this thing had a human heart under the bird's skin.

Mao Wenlong skillfully fed Xiaobai a small dried fish, and then continued his speech.

When did this old fox buy Xiaobai? Just a small dried fish? This guy is too prepared! Now Li Xiao regrets a little and handed over the children to this old guy. If you teach a bunch of little foxes, how can you ...... tidy!

Finally waiting for Mao Wenlong to finish speaking, Li Xiao planned to go to the old fisherman. Today, I have to discuss the matter of guns and bullets with the fisherman, winter is coming. It's a good season for robbery again, and the Tartars are going to Daming to rob. Li Xiao planned to rob the Tartars, and there are now thousands of people on the island eating, drinking, and Lazar. It is also necessary to buy all kinds of materials, and the cost is not a small amount. A little soap business alone obviously can't fill it.

What could be faster than a robbery? Li Xiao likes this shortcut to get rich quick!!

But before he went out, he was stopped by Mao Wenlong.

"Just gone?"

"What else are you going to do?" Li Xiao didn't understand why Mao Wenlong still stopped himself.

"What? Teach with your mouth! ”

"What do you teach if you don't teach with your mouth?" Li Xiao asked in surprise, not understanding what the old guy meant.

"You kid have to say it to the old man, there must be books in the school. Now the children are young enough to write on the sand table. But in the future, you have to have paper and pencils, do you think that you can teach students just by having tables, chairs and benches? ”

"Uh......!" Li Xiao really didn't think about this, Mao Wenlong was right. Teaching students always needs books!

"This is the book list for procurement, get it for the old man as soon as possible." Mao Wenlong put a piece of paper into Li Xiao's hand.

"You can teach students to write first!"

"How to teach? The old man wrote on the wall? Mao Wenlong glared at Yun Hao and said angrily.

The snow-white walls are all painted with white plaster, and it looks clean and translucent, who wants to write on it.

Li Xiao had no choice but to lead Mao Wenlong into the classroom. This guy probably hasn't seen a blackboard before, and he doesn't know how to use chalk.

Turtles!

I picked up the chalk and wrote a plum character on the blackboard, and then wrote a hair character, and then erased the words with the blackboard. Mao Wenlong watched in amazement as Li Xiao erased the words on the blackboard, but he didn't expect Li Xiao to have this hand.

Write your name on the chalkboard with chalk and erase it with a chalkboard eraser.

Never get tired of it!

Ignoring this old guy, Li Xiao hurriedly came to the old fisherman. The old guy must be in a hurry!

The experiment of nitrocellulose bullets was finally over, and the amount that Ao Canghai filled the chamber with was according to the amount of black powder. Nitrocellulose, which is much more powerful than black powder, will naturally explode the chamber of the gun. Even if it is produced with the advanced technology of Yulao, cracks will still appear in the chamber after dozens of rounds.

In fact, after nitrocellulose, you can make a fixed ammunition. That is, the bullet of the afterlife!

But there was no machining equipment at all, and there were no machine tools or anything. Li Xiao couldn't produce it at all, and the tightly closed and sturdy chamber of the gun.

After many experiments, the right charge was finally found. What the fisherman wants to show Li Xiao today is a kind of pulling bed, and Li Xiao mentioned the rifling matter to the fisherman a few days ago. The old guy kept it in mind, and after a few days of tinkering with Inafuyou, he came out with a pull-out bed.

An iron rod is fixed on the top of the broaching machine, and the thread is cast on the rod, and the thread must pass through a fixed dead card door on the bracket when the rod moves back and forth, and the rod can rotate at a uniform speed under the action of the thread and the card door. At the end of the rod, there is a steel ball stretched into the barrel, and multiple layers of thick paper can be padded under the steel ball, and a little thickening of the paper can gradually raise the protrusion of the steel ball to grind the inner chamber of the barrel, and grind out the rotating rifling in the barrel little by little.

The best rifling measured by later generations was exactly 360 degrees from one end to the other according to the length of the barrel.

Li Xiao also asked for this, and it seems that the old man Yu has already made it out.

"That's it, you can pull the thing you said on the barrel. However, when I got a gun to try, the steel balls didn't seem to have much power when they were hit. And it's a little less powerful! The fisherman held his rifle and said to Li Xiao.

Li Xiao's head almost crashed, and he used the gun to shoot steel balls. What the fuck can this do?

But this can't be blamed on the old fisherman, he is a craftsman leader. Inatomi is old, and his experience is rich enough, but his innovative spirit is seriously insufficient. Expect these two to know what air resistance is all about?

"In the future, we won't use steel balls for bullets, let's use this." Li Xiao drew a primitive Mini bullet profile on paper. In fact, this is a hollow cone, very similar to the bullets of later generations.

"This bullet can hit farther, and the caliber is slightly smaller than the chamber. In this way, when the gunpowder explodes inside, the bullet expands and travels along the barrel. The rifling on the barrel allows the bullet to spin. In this way, the accuracy of the bullet will be better. Li Xiao began to instill the benefits of Mini's bullet in the two.

Inatoyu, who was already able to understand some Chinese, nodded his head frequently, very interested in this new type of ammunition. Li Xiao's concern about the production standard was directly ignored by the two old guys. After driving Li Xiao out, the two old glasses were muttering in the room.

"Remember that the warhead should show the lead core!" Li Xiao shouted outside the house.