Otaku Engineer in Great Tang Dynasty

Chapter 1216: Specially treats presbyopia!

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Create an era and leave a name in history!

At this time, Li Ke realized that what Li Zexuan said to him was not bragging, but something that could really happen!

But, can he really let all the people in Datang use the transaction certificates he created

Li Ke couldn't help but have a suspicion in his heart!

Seeing Li Ke's suspicious expression, Li Zexuan patted him on the shoulder and said: "Xiao Ke, don't think so much now. Your first priority right now is to make everyone in the academy believe in your transaction certificate and ensure that you have this transaction certificate." It won’t be copied by others! As for everyone in Datang being willing to use our transaction certificate, that’s still early, there’s still a long way to go!”

"Then Chief, what should I do to prevent the transaction certificate from being counterfeited?"

Li Ke asked with bright eyes.

Li Zexuan smiled mysteriously and said: "In three days, you go down the mountain to the workshop, and Uncle Fu will give you a transaction voucher printed by the workshop. Then you will know that there are indeed some things in this world that are difficult to be People imitate!”

Li Ke said in surprise: "Chief, you already have a solution~?"

"Haha! That's right! We'll find out in three days!"

Li Ke saw that Li Zexuan didn't want to elaborate, so he didn't continue to ask. At this time, he felt that something was missing. After thinking for a while, he said: "Chief, the student thinks that we need to give this transaction certificate a name and design it." Come up with different denominations for easy use in the future!”

Li Zexuan nodded. He didn't need Li Ke to ask, he would also name the note, but what name should it be given? RMB or banknote? Forget it, this one doesn’t match the Tang Dynasty!

After thinking for a long time, Li Zexuan finally said:

"Let's call it Tang Yuan! One Tang Yuan is equal to a lot of money, and there is Tang Jiao below Tang Yuan. One Tang Jiao is equal to one penny! As for the face value of the certificate, it can be one Tang Jiao, five Tang Jiao, ten Tang Jiao, or fifty Tang Jiao. Jiao, one hundred Tang Yuan, and one Tang Yuan, five Tang Yuan, ten Tang Yuan, fifty Tang Yuan, one hundred Tang Yuan! When trading, no matter how much the value of the item is, it can be combined with glutinous rice balls of different denominations. The corresponding amount of money is convenient and time-saving!”

"Tang Yuan? That's a nice name!"

Li Ke's eyes lit up, he praised, and then said: "Shan Zhang, what is the name of the department of the academy that is responsible for depositing, withdrawing, and exchanging Tang Yuan for students or merchants?"

I have to say, this kid thinks about things quite thoughtfully.

"Let's call it Yanhuang Bank! The bank that specializes in managing the copper coins of Yanhuang Academy!"

Banks are too far away from this era. If you mention it rashly, it is probably difficult for people to accept it. After thinking about it, only the term "bank" can be easier to understand!

"Bank! Okay! Now go prepare the affairs of the bank!"

Li Ke stood up and said goodbye excitedly.

"Ha! Finally the wait has not been in vain, the era of paper money is finally coming!"

After Li Ke left, Li Zexuan had a smile on his lips and said to himself.

… … … … … …

"Huh? No! Why do I feel like the mountain leader has already thought of this method?"

On the way back to the classroom, Li Ke suddenly stopped, beat his head in annoyance, and whispered in a low voice.

It's not unreasonable for him to be so suspicious.

After Li Zexuan heard about his method of trading vouchers just now, he looked confident, as if he already had a perfect anti-counterfeiting plan in mind. The reason why he said so much was probably just to test him.

However, since Li Zexuan had already thought of this method in his mind, why didn't he take action instead of waiting for him to push it

"Forget it! Never mind him! The mountain chief must have his reasons!"

After thinking for a long time, Li Ke didn't understand the deep meaning of Li Zexuan's actions, so he shook his head and simply stopped thinking about it. He still had a lot of things to be busy with right now!

… … … … …

"Master Liu, see if this seal can be engraved!"

In the afternoon, Li Zexuan took a drawing and came to the workshop to find Liu Dingyi, the master of the Tiangong Pavilion. He was Liu Yidao, the master of the Tiangong Pavilion, the predecessor of the Qiqu Pavilion. His carving skills were unparalleled in Chang'an, so Li Zexuan bought it. After Tiangong Pavilion established Qiqu Pavilion, Liu Yidao was also hired into the workshop and received preferential treatment.

When the workshop introduced movable type printing, most of the characters were carved by Liu Yidao.

"Hey~! Mr. Hou Rong will take a look first!"

Liu Yidao did not dare to neglect, and quickly took the drawing from Li Zexuan's hand with both hands, and began to read it carefully. After a while, he raised his head and asked: "Master Hou wants to engrave all these more than a hundred words on the seal." superior?"

"That's right! I wonder if there are any difficulties~?"

Li Zexuan nodded in response.

Miniature carving, this craft has a long history, and many skilled craftsmen in the Spring and Autumn Period were able to do it.

Li Zexuan asked Liu Yidao to make this kind of seal mainly to prevent counterfeiting of banknotes.

In the Song Dynasty, banknotes appeared in our country. Not only did banknotes appear, but also many anti-counterfeiting technologies appeared. After all, in ancient times, there were no such advanced black technologies as banknote detectors, code scanning payment, etc., but the ancients used banknotes on banknotes. Some of the anti-counterfeiting technologies used are also excellent, and Li Zexuan now plans to use one of them, the anti-counterfeiting seal!

Li Ke previously said that he would stamp his private seal on coins to prevent counterfeiting, but Li Zexuan felt that was unreliable because it was too easy to forge a private seal. If you really want to use a seal to prevent counterfeiting, then get an anti-counterfeiting seal!

This is a silver note anti-counterfeiting method thought up by Shanxi merchants during the Ming and Qing Dynasties. They specially designed a micro-carving seal. The content of the micro-carving seal is a few hundred words of poetry. The micro-carving is very fine and cannot be carved with ordinary technology. Yes, even if it can be made, it will take a lot of material resources and require a high level of carving skills.

Moreover, during the engraving process, a few words are usually deliberately engraved wrong. Even the original engraver cannot engrave the same micro-engraved seal as before, so the counterfeiter simply gives up making fake notes.

"Master Hou! If I had been able to do this kind of exquisite carving work a few years ago, Old Liu, I would have been able to do it. But now, with my eyes, Old Liu, it is difficult to see small things clearly. This seal of yours, old man I’m afraid I won’t be able to engrave it!”

Old Liu frowned, looking confused.

When Li Zexuan heard this, he thought to himself: Isn't this just presbyopia? Easy to handle!

"Haha! Master Liu, don't refuse in a hurry. I have a way for you to see very small things clearly! Just wait for half a day, and I will have something delivered to you tomorrow. Put it on and you will be able to see clearly. Everything!"

Li Zexuan said with a smile.

Just kidding, he has built an astronomical telescope, how can he not be able to make a pair of reading glasses? Even if reading glasses can’t be produced in a short period of time, it’s okay to get a magnifying glass first, right

… … … … …