Hua Qingxue holds the glass in her hand and rubs it carefully.

The glass is spherical, with a big round belly and a small opening only one circle larger than the copper coin on one side. The wall of the glass is even, and the transparency is very high. You can see that there are many bubbles in the inner layer. Although it is not comparable with modern glass, it is much brighter than the two pieces of glass brought by master song.

"How did you do it?" Hua Qingxue asked.

Su Shaowen was a little nervous and replied, "I I added river sand to it... "

It turned out to be river sand.

Hua Qingxue immediately understood that the main component of river sand is quartz, and quartz is one of the main raw materials for making glass.

The reason why Hua Qingxue said it was a misunderstanding just now is that she remembered the glass composition wrongly.

Although there was glass in ancient times, only some opaque lead barium glass could be made. The color of lead barium glass was bright and bright. Whether it was used for ornaments or jewelry, it was very popular. Such glass was fragile, not heat-resistant, and could not withstand sudden cold and heat. It could only be used as ornaments and jewelry, not as containers.

That's why Hua Qingxue always tells master song that he can't do it.

It's not about skills, it's about raw materials.

Originally, Hua Qingxue had been greatly disappointed. Unexpectedly, this little apprentice of master song would have thought about making such a spherical glass with such a small opening.

The glass bottle made by master song has a small mouth, but if you look closely, you will find that the bottle neck and the bottle body are two parts, which are bonded together after being finished. The ball bottle made by Su Shaowen is a whole, which is very valuable.

Hua Qingxue asked him again, "how did you make your mouth so small?"

In ancient times, glass was made by melting and casting, so there was no way to make such a small opening.

The melting casting method is to grind all kinds of raw materials into powder and put them into the earth mold. After high temperature calcination, the glass is melted and shaped. After cooling, the mold is removed, and then the whole body is polished.

This method is actually a method of processing bronze ware. The cost is very high. The exquisite degree of modeling depends on the exquisite degree of the mold. Sometimes, a glass handicraft needs to carve dozens of different molds, and then glue them one by one after demoulding, so it is impossible to achieve the effect of hollow core inside.

Su Shaowen did not dare to hide, but cautiously replied: "I made a glass ball, put it in when the liquid glass cooled down, suspended it with metal wire, and then smashed the glass ball in the inner layer along the wire."

Hua Qingxue is surprised to open her eyes. She didn't expect Su Shaowen to use such a tricky method!

He put the glass ball into the liquid glass and squeezed out the shape of the glass. When the glass cooled and solidified, the glass ball inside could not be taken out! So he smashed the glass ball in the inner layer and removed the broken glass slag little by little!

This is a test of strength, angle and skill! Because a little careless, will break the outer glass!

Hua Qingxue holds the glass and is lost in thought.

It is obviously impossible for the glass craftsman to make the test tubes, beakers and distillation flasks that they want directly.

Because what she needs is soda lime glass, which can withstand high temperature, instead of colorful lead barium glass.

Therefore, the first thing she has to solve is the problem of raw materials.

Secondly, it is the manufacturing process.

The best way to make containers is blowing method. This method does not need to carve models. It has the advantages of low cost and high output, which is widely used by Western glass craftsmen.

Hua Qingxue thinks deeply, Su Shaowen stands on one side, uneasy in the heart, but dare not make a sound to disturb.

When Liang Wensheng came in, Hua Qingxue came back to her senses.

"Master, the man has already been sent away." Liang Wensheng glanced at Su Shaowen with a smile and asked, "how do you arrange these little brothers?"

Su Shaowen was named. His face turned red, as if he was embarrassed.

Hua Qingxue thought about it, looked at Su Shaowen, and said with a smile, "live here first. When the crucible kiln is ready, we can start work."

Su Shaowen asked with some formality What do I need to do? "

"Make glass." Hua Qingxue smiles, "but it will be different from your previous method. I have a new method here, but you need to figure out and learn by yourself."

Liang Wensheng was stunned for a moment, "master, don't you plan to teach him?"

"I can't teach." Hua light snow helplessly sighed, "I only know the method, but will not."

It's like, you know how to ride a bicycle, but you can't learn to ride a bike without falling a few times.

The same is true for glass blowing. Hua Qingxue knows the method and knows the principle, but if she really wants to blow, she may not be able to compare with Su Shaowen.

"I, I am willing to learn!" Su Shaowen said with a red face.

"I'll learn too!" Liang Wensheng quickly interjected.

Hua Qingxue laughs, "the firearm camp needs your attention. It's best to finish it before autumn. When it's finished, we need to purify raw materials, improve the thunderbolt, and make rockets, guns and muskets It will be very busy then. "Liang Wensheng grinned and looked forward to it.

Hua Qingxue gives Su Shaowen to Liang Wensheng, and then goes to check the latest progress of the firearm camp. Looking at the buildings that have been shaped, she looks forward to it, but also feels a little disappointed.

All attempts will be a process from numerous failures to success.

Although I have made countless psychological preparations, I still worry about failure

Today, she didn't see the glass she wanted. Her mood was a little bit lost.

Because of her mistake, she forgot the difference between the two kinds of glass. Without much thought, Fu tingye asked for help and asked for help. As a result, she was busy in vain.

Alas

Hua Qingxue can only hope that he can master the glass blowing method as soon as possible since he has a strong research ability

In fact, in Hua Qingxue's memory, a skilled glass blowing master can't be trained in two or three years.

At the thought of this, Hua Qingxue is even more depressed.

Because she can't wait that long

……

The carriage rumbled forward, and the sun was still burning outside.

Hua light snow out of the door, only feel sweat, sticky, very uncomfortable.

I feel more and more depressed.

Now she just wants to go home as soon as possible, take off this layer of sweaty clothes, and soak in the cold water!

Wu Zhuo, the leading bodyguard outside the carriage, suddenly asked her, "Miss Hua, there is a fork in the road ahead. Would you like to go to the camp?"

Hua light snow slightly Zheng.

The bodyguard obviously meant to let her see the general.

In the past, Fu tingye would go back to the city every two or three days to see Hua Qingxue. In recent days, I wonder if the military affairs are busy. Hua Qingxue has not seen Fu tingye.

Hua qingxuetuo thinks about it. It's hard to come out. Let's go and have a look

If you are in love, you should come and go. It's always bad that he comes to see her all the time, and she should visit him occasionally.

Hua light snow's mouth can't help but tilt up, thinking, I suddenly go to see him, will give him a surprise?

When the carriage arrives at Qingzhou camp, Hua Qingxue goes directly to Fu tingye's camp, but no one is seen.

"Miss Hua, the general has gone to school." The soldiers outside the camp told her.

To school? When he goes to school on a hot day, isn't he afraid of prickly heat?

Hua Qingxue went to school again.

The barracks were very large, and Hua Qingxue was sweating all the way.

On the way through a camp, surrounded by many soldiers dressed in different clothes, it does not look like the soldiers of Daqi.

Hua Qingxue felt strange and could not help looking at it more.

"Who are those people?" She asked Wu Zhuo, the bodyguard beside her.

"Soldiers of Nanzhao."

Even if she knew the answer, she didn't know where Nanzhao was at all

As soon as I got to the school yard, I found that there were more soldiers in Nanzhao. They were guarding the school yard with the soldiers of Daqi. Under the scorching sun, these soldiers were like trees, motionless.

On the East and West ends of the school yard are wooden frames with various weapons on display. In the middle of the school yard, a man and a woman are competing.

The man is tall and strong, obviously Fu tingye.

The woman was tall and exquisite, dressed in exotic clothes, with yellow gold pieces on the cuff and waist, which reflected dazzling light with the change of movement.

Far away, Hua Qingxue couldn't see the woman's face clearly. She felt like a gorgeous girl just because of her hot figure.

Hua Qingxue stood on the edge and watched silently for a while.

Fu tingye's weapon is a long knife, while the woman's weapon is two full moon cutlasses. They practice on the school field, and sometimes make metal sounds of weapons colliding.

Fu tingye cuts horizontally with a long knife. The woman's waist is as sharp as a snake. She dodges in an instant! At the same time, throw out your machete!

Fu tingye flashed sideways. The next moment, the handle of the knife hit the woman's wrist, and the machete on her right hand immediately came out -

sometimes the soldiers on the edge cheered.

Hua Qingxue frowns.

She couldn't understand the two men's moves. She could only see that Fu tingye had a slight advantage, but the woman was extremely resilient. The more urgent the attack was, the faster she was. Even if she was knocked down with a knife, she did not mean to give in.

Until the woman left a machete directly cut by Fu tingye!

Her body weightless fall, heavy fall on the school field, splashing ash white dust.

Fu tingye reaches out to help her up, but she seems to have been hurt. She staggers and falls into Fu tingye's arms --

Fu tingye firmly holds her waist, and two soldiers run from outside the school yard, one left and one right, and takes the woman from Fu tingye's arms.

"It's the princess of Nanzhao state, whose name is Wu Xinyao. It seems that she came here to ask for help from Daqi." Wu Zhuo said to China Qingxue.

Hua Qingxue's eyes moved away from the big hand on Wu Xin Yao's waist, and slowly nodded her head, "Oh."She turned and left.

Wu Zhuo followed her and asked, "Miss Hua, don't you go to see the general?"

"Ah?" Hua Qingxue hesitated and said, "don't you say that the princess of Nanzhao came to ask for help? Since the general is busy Well, I'll come back next time. If I go now, I'll make trouble for him. "

Wu Zhuo was sent by Fu tingye to protect Hua Qingxue's safety. After thinking about it carefully, he felt that Hua Qingxue is now like a secret weapon of the general, which is not suitable for being exposed to outsiders. He has no opinion at present.

Wu Zhuo and other bodyguards sent Hua Qingxue back to the carriage and Pan Shui.

Hua Qingxue sits alone in the carriage, holding a handkerchief in his hand, wiping the sweat on his face.

She felt stuffy and hot, and her mood was inexplicably agitated. From time to time, the soft waist of Nanzhao Princess Zhuolu and her slender arm with precious stone armrings flashed brightly. Fu tingye's palm brushed over the honey colored skin

She pursed her lips and felt even worse

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