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Cui Geng said: "Of course it's not a trick, the queen mother wants to know how to make a fortune with this gold silver plating technique, and please invite Ye Jingneng to come to the old immortal." ”

"Ye Jingneng?"

Empress Wei was skeptical, but he still did as he was told.

To be honest, although the three Wei sisters are quite superstitious, Empress Wei still wants to be more high-end. For example, Ye Jingneng, who she enshrined, is a real Taoist person. Among the Taoist priests of this era, they are definitely among the top three.

Ye Jingneng's nephew Ye Fashan is even more incredible, among the Taoist priests in the entire Tang Dynasty, he is second only to Yuan Tiangang and Li Chunfeng.

After a while, Ye Jingneng arrived.

Seeing that the ceremony had been completed, Empress Wei said: "Ye Xianchang, today is not that the palace is looking for you, but that the king of Fuyang has something to ask you." ”

"Yes!"

Ye Jingneng sneered at Cui Geng and said, "Please advise King Fuyang." ”

Cui Geng said: "I don't dare to give advice, but I have something to ask the old immortal chief." That's what happened......"

Then, he briefly introduced the process of Wei Lan and Wei He being deceived, and finally asked: "Dare to ask Immortal Ye Chang, what is the trick in this Ling Xiaozi's silver into alchemy?" ”

Ye Jingneng is an expert in this area, and immediately said without thinking: "This is my Taoist amalgamation technique. This technique was originally my Taoist alchemy technique, but unfortunately it was used by unscrupulous people to deceive, which is very regrettable. ”

"Then ask the Taoist Master to show me this amalgamation technique."

"Yes."

Later, Ye Jingneng ordered someone to fetch tin, mercury, and a copper plate.

Tin has a very low melting point and melts into a liquid very easily. Lao Dao brushed a layer of tin juice on the copper plate, waited for it to solidify, and then poured it with mercury.

The effort was not large, and a layer of shiny and bright amalgam was formed on the surface of the copper plate.

Wei Lan shook his head and said, "No, it's not this. The gold that Ling Xiaozi used to deceive me has the same appearance as silver, and it has never been so shiny. ”

Ye Jingneng explained: "We have to wait for a while. This mercury is strange and shiny at first, but over time, it will gradually become gray, and after seven or eight days, it will be similar to the surface of ordinary silver ingots. ”

Empress Wei has a lot of trust in Ye Jingneng, and there is no doubt at the moment.

He looked at Cui Geng and said, "Even if Ling Xiaozi uses the technique of amalgamation and tin qi, how can this technique be used to make a fortune?" ”

Cui Geng stretched out his hand and said, "Queen Mother, please look, how about this copper plate with amalgamis and tinqi as a mirror?" Compared with Yangzhou mirror, which one is more in line with the mother's mind? ”

"Mirrors?"

After Wei thought about it for a while, he said: "If you can use the copper plate of amalgam, of course, it is the best." However, didn't Ye Xianchang say that this amalgam will gradually fade? ”

"Ye Xianchang is right. However, the reason why this amalgamation gradually fades is due to exposure to oxygen in the air......"

The oxidation reaction is, of course, difficult to explain to the ancients.

Speaking of this, Cui Geng changed his words again: "All in all, as long as the mercury tin is not exposed to the air, it will not become dull." But how can you see it and use it as a mirror without exposing it to the air? ”

A fool thinks a thousand times, and he will get one.

Wei Lan's mind was full of glass workshops just now, and he immediately realized, "I know, cover this amalgam with a layer of glass!" ”

"Aunt Seven is really smart!" Cui Geng said: "So, I just said that Ling Xiaozi completely entered Baoshan and returned empty-handed. Even if he can't find the right glass, he can cooperate with the glass workshop. Although glass is not as transparent as glass, a mirror made of amalgam tin is much stronger than a copper mirror, isn't it? In this way, it is easy to become rich and rival the country, so how can there be any need to cheat? ”

Although these words were not accusing Ye Jingneng, Ye Jingneng listened to it, and felt slightly unhappy in his heart.

He asked: "Whether the amalgam tin can be avoided by covering it with glass has not been studied." But can this glass mirror really make money? ”

Li Xian said with a smile: "This is the old immortal who doesn't know the way of the world. The price of Yangzhou abbot mirror is more than the same weight of gold, how much do you say if it is a glass mirror of the same size? According to the history, "During the Northern and Southern Dynasties, the Funan big ship came from the West Tianzhu Kingdom and sold Bipo Li Mirror. The face is one foot five inches, weighs forty pounds, and is clean inside and out. Put the five-colored object on it, look at it clearly, and see its quality. When asked about the price, it was about a million dollars. Emperor Wen ordered that there was a division, and the treasury of the government should be insufficient. "Hehe, if Erlang can really make the same glass mirror, then the treasury is really not as rich as his family."

Wei He's eyes lit up when he heard this, and said: "The key to making this mercury glass mirror is whether there can be enough flat glass. To put it bluntly, the focus is still on the glass workshop. Erlang, you just said that you want to give us sisters, but you can't say it. ”

Cui Geng said: "That's nature. ”

I heard that it involved such a big profit, and Empress Wei couldn't calm down. Jokes, how about sisters? My brother has to settle accounts.

She said: "You have only lost a million yuan in total, and if you want half of the mercury glass mirror, it is too much, so you should take one percent each." ”

"This ......" Wei He and Wei Lan looked at each other, a little reluctant.

Empress Wei said unhappily: "This mercury glass mirror workshop is all Erlang's idea, you two are aunts, are you embarrassed to rob your nephew's daughter's property?" I'm really not happy, I'll let Bao'er talk to you......"

"Don't mind!"

Li Bao'er is brutal and willful, but it is much more difficult to speak than Empress Wei. Wei He and Wei Lan could only retreat and said, "Okay, let's give my sister this face, and we will achieve it." ”

Cui Gengdao; "The son-in-law left fifty percent of the ingredients to prepare the mercury mirror workshop. There are still thirty percent left, and they will be dedicated to the queen mother to fulfill their filial piety. ”

Empress Wei's face suddenly brightened, and she said: "Even if you have a conscience, this palace has not promised you a daughter who is like a flower and jade in vain." ”

Li Xian said playfully: "What about me? I promised a daughter who is like a flower to Erlang, what benefits did I get? ”

He was joking, and he didn't expect Cui Geng to give him any filial piety. Besides, what's the difference between giving to Empress Wei and giving it to him?

However, what he didn't expect was that Cui Geng said: "Your Majesty is rich all over the world, and of course I don't care about some money, so Wei Chen didn't propose to send it to you just now." However, there is one thing that I think you like. ”

"What's that?"

"Your Majesty, wait a minute, Weichen will let people fetch it."

With a lot of effort, there was a row of more than 20 exquisite wooden boxes that appeared in front of Li Xian. He opened it and wondered, "What is this?" ”

"Wechen calls this thing glasses, which uses glass as the lens, turtle shell as the frame, and brass as the angle. Your Majesty is old, but you often have a feeling of lack of eyesight? This can enhance the eyesight. Of course, everyone's eyesight is different, and the right glasses are quite different. ”

To put it bluntly, what Cui Geng took out were myopia and farsighted glasses with different degrees.

Unlike telescopes, the difficulty of making this kind of glasses is not high, and it can be polished with crystal, jade, etc., and glasses were made in this way from the Song Dynasty to the Qing Dynasty in history.

But with Cui Geng's current status, doing these "tricky and ingenious" things not only does not help him, but is easy to be attacked, so he is too lazy to invent them.

However, now, there is glass, there are skilled craftsmen of the Yang family who are good at pondering glass, and if they don't make glasses, Cui Geng himself feels a little "tyrannical". So, he ordered someone to make dozens of eyes, and prepared the right time to hand them over to various glass shops for sale.

In these years, there are not many readers, and the eyes are expensive, and it is destined to exist only as a luxury, and it is okay to expect it to make money, but it is hopeless to make a lot of money.

To Cui Geng's surprise, Li was a little ecstatic after seeing the right glasses.

"I can't believe that there are things in the world that enhance eyesight!"

"Erlang, you son-in-law, I didn't take it in vain!"

"These glasses are good, even if I am a daughter, ah, no, I won't change them for ten thousand gold!"

……

With these eyes, he walked back and forth in the hall twice, looking at this and touching that, as if he had seen the world for the first time.

In the end, Li Xian's eyes fell on Empress Wei's face, and he said excitedly: "Concubine Ai, after so many years, you still have the same style!" ”

Wei Xiang'er lowered her head and said angrily: "What nonsense, the concubines are old." ”

"Not old, not old! I didn't expect that today, I would be able to take a good look at my concubine's face. ”

……

This strange relationship between husband and wife, you and me, Cui Geng looked at the goosebumps all over his body. He interjected a little strangely, "Your Majesty's eyes...... Before, it wasn't so bad, was it? ”

"Hey, it's just that bad." Li Xian smiled bitterly; "It's just that the government was complicated before, and I didn't dare to show fatigue. Over the years, because of the crown prince......"

He didn't say the next words, Cui Geng understood.

Li Xian dared to say that he couldn't see the chapter clearly, and the ministers would soon go to the table to ask for the crown prince, can Empress Wei do it? can only play the image of a faint monarch without a way, and it will be criticized by the descendants of Wei.

Now that his eyesight has suddenly improved, it is impossible to describe the significance to him.

After a pause, Li Xian said a little embarrassedly: "Erlang, you are quite ingenious, I have something I want to bring up the old things again." ”

"What's the matter?"

"It's tuberculosis, do you have any way to cure it now? I...... I really don't feel like I've lived enough. ”

Well?

Hearing this, Cui Geng didn't feel anything, but Empress Wei suddenly felt a pang in his heart.