(Thanks to the mystery monologue and Dye Xiyao's tip~)

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The so-called scarcity is expensive, which is exactly the reason. Zhao Dezhao secretly stole fun, because he sold a small amount of glass products at a high price, the price rose, and brought a lot of income to the Great Song Dynasty treasury.

Zhao Dezhao later proposed that Xue Juzheng, the head of the household department, take over the sale of glass, and formally bring it under the jurisdiction of the household department, and he exercised his own supervision between the general supervisor and the ordnance supervisor.

A few days later, when Zhao Dezhao went to the prison again, Huang Jiangtou had already polished the convex lens, and Zhao Dezhao picked up the convex lens, put it in front of his eyes, and looked into the distance, Wei Pi, who was walking here, felt as if he was in front of him, and he put it above his hand, and the small hands suddenly felt huge, so he asked Huang Gongtou to install this, and after a while, a telescope, a pair of myopia glasses, a pair of farsighted glasses and a magnifying glass were born.

At this time, Wei Pi came in, and he said, "Your Highness is also here, and the minister has seen Your Highness!" ”

Zhao Dezhao took the results and said: "Wei Qing doesn't have to be formal, let's take a look at the clairvoyance scope, far-nearsighted glasses and microscopic mirrors developed by this king!" ”

"Claircase, Far ...... Myopia glasses, microscopes? Wei Pi saw that Zhao Dezhao was holding both his left hand and right hand, so he asked, "What are these four objects in the hands of His Highness, the minister has never seen them, and I don't know what they are used for?" ”

"Wei Qing, you still take it and look at it, I'll tell you how to use it later?"

Zhao Dezhao first handed Wei Pi a magnifying glass, and then asked him to look at the things on the paper, Wei Pi took the magnifying glass, looked at it, the original small font suddenly became very large, he sighed, and said: "Your Highness, this microscope mirror is good, sometimes when the minister reads at night, he suddenly feels that there is a light and a dark in front of him, and the words are not clear, and tomorrow sometimes I am tired of reading and I can't see clearly." Can Your Highness give one to your ministers at that time? ”

Zhao Dezhao said mysteriously: "Naturally, Wei Qing, if you look at this clairvoyant mirror again, it will make you startled!" ”

"Oh?" Wei Pi said that he was very curious, he took the telescope, and then put it in front of his eyes according to what Zhao Dezhao said, squinted his eyes, stretched and shortened the adjustment cylinder, when he looked into the distance, the distant scenery suddenly felt closer to his eyes, and at this moment the eagle in the sky circled down, as if flying in front of him, and he was about to fly to Wei Pi's side, and he was startled, almost throwing off the telescope.

By the time he was already frightened, Zhao Dezhao had already laughed beside him, and said, "Wei Qing, your reaction is too big, hahaha-"

"Your Highness, this is the clairvoyant mirror that Your Highness has always been advocating!" Wei Pi suddenly realized, and said, "Your Highness is worthy of being a god, if this thing is used on the battlefield to detect the enemy chieftain, it is naturally very convenient, when my Great Song army is exploring the military situation, with this thing can detect the enemy's every move in a distant place, it can be described as a killing weapon!" ”

Zhao Dezhao made this matter clear and said: "What Wei Qing said is extremely true, but this clairvoyant mirror is related to the safety of my Great Song Dynasty, so I can't give you one for the time being, and I'll give you one after a while, it's good." ”

Wei Pi replied: "This matter is confidential to the Great Song Dynasty, even if His Royal Highness wants to send it to me, the minister can't do it." ”

"Well, Wei Qing is loyal, he is really my great Song Liangchen, you can take a look at the remaining two things, whether they are suitable for you or not, this king plans to make a few more pieces and give them to his father and mother and a few deacons!"

"Thank you, Your Highness!" Wei Pi picked up two glasses, tried them on separately, and found that one of them was quite suitable for him, "Your Highness, these glasses are really magical, after wearing them, the minister's eyes can see more clearly." I don't know why these objects are like this, Your Highness? ”

"This, this king can't explain it clearly for the time being, I'll go back and ask someone to make a pair of glasses for you, and now I'm going to enter the palace to face the saint and bring good news to Your Majesty."

"Thank you Your Highness for your love, and you will never give up!"

"Okay - this king wants to take a step, Wei Qing farewell!"

Immediately, Zhao Dezhao entered the palace and brought these four objects, and Zhao Kuangyin's reaction was also the same as Wei Pi, especially for the telescope object very much, he left a magnifying glass and a telescope at the moment, and then gave it the name: "clairvoyant mirror", "microscope".

Zhao Dezhao immediately mentioned the use of the clairvoyant mirror, Zhao Kuangyin had an epiphany, daring to love that this thing is also one of the armaments, so he ordered to go down and make some more for secret use.

And the reading glasses were sent to the Emperor Zhao Hongyin, who happened to be equipped. The rest of the myopic eyes will be left by themselves for the time being, and someone will make a batch after a while.

Over time, the glass-making process matured, and other crafts could be made, as well as simple microscopes.

The glass manufacturing industry managed by Xue Juzheng, the head of the household department, also increased the income of the entire treasury a lot, and this matter also made the household department, the most money-hungry department, more wealthy, and in addition, Zhao Dezhao was also planning to export some glass products to other countries.

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The work of supervising here has been done well, and Zhao Dezhao, the superintendent of ordnance over there, also has to take care of it. On the morning of this day, Zhao Dezhao came to the ordnance supervision again, and then saw a bow and crossbow with an unloaded arrow on the weapon shelf, he stroked the bow and crossbow, and was about to try it. And at this moment, Wei Pi entered the warehouse, and Zhao Dezhao asked, "Wei Qing, what is the launch distance of this bow and crossbow?" ”

Wei Pi said bluntly: "Your Highness, this bow and crossbow is at most a hundred steps. ”

"Oh!" Zhao Dezhao nodded, a hundred steps is about 130-150 meters, and it is not very far.

"Is this my Great Song's longest-range crossbow?" Zhao Dezhao said inquiringly.

"That's right, Your Highness, apart from the bed crossbow, it is now the farthest shooting bow and crossbow in the battle of my Great Song army."

"This bow and crossbow is not enough in battle, if you kill the enemy on the battlefield, you can increase the range of the crossbow, it would be good, but it's a pity - the range is still not enough, if there is a god arm bow here......" Zhao Dezhao said to himself, regretfully.

The divine arm bow mentioned in Zhao Dezhao's tone is said to have been made in the Xining period, but unfortunately it is still the first year of Jianlong, nearly half a century earlier than Xining.

According to the "History of the Song Dynasty", in the first year of Xining, Zhang Ruoshui, the deputy governor of the first order, and Li commented on the simple bow and crossbow of the Xishang Pavilion Gate. If the water enters the god arm bow made by Li Hong, it is actually offered by Li Hong, and the crossbow is also covered. Take the squirt as the body, the sandalwood as the bow, the iron as the head of the Dengzi gun, the copper as the horse's face and teeth, and the hemp rope as the string. The body of the bow is three feet two inches, the string length is two feet and five inches, the arrow feather is several inches long, shoots more than 340 steps, and enters the elm wood half-pipe. The emperor reads and is good. So the arm of God began to be used, and he was able to use it.

Zhao Dezhao knew that this bow and crossbow really failed to reach the shooting distance of the Divine Arm Bow, and it is said that the Divine Arm Bow was said to be inferior to other instruments, and became one of the standard weapons of the Song army's crossbowmen.

As for its principle, Zhao Dezhao has never seen the divine arm bow, but it is recorded in the history of the Song Dynasty that the divine arm bow is like a bow and is used in stirrups. With the stirrup from the ground and open it, shoot 300 steps, can be re-pierced in the hole, called the "god arm bow", the most sharp weapon.

However, this kind of divine arm bow has not yet appeared, and Zhao Dezhao plans to improve today's bow and crossbow equipment before the development of firearms, so he is chattering about the divine arm bow, and also hopes to make this bow and crossbow weapon similar to the god arm bow.

Zhao Dezhao then walked over to a bed crossbow, which was the largest of the Song army, but it had not yet reached its greatest horror.

According to the "General Essentials of the Martial Arts": from 2 bows to 4 bows, there are many types. The number of twisters when the multi-bow bed crossbow is tensioned, and the small one uses 5~7 people; Large ones such as "eight-bull crossbows" require more than 100 people. The arrows used are made of wood and the iron is a feather, which is known as "one gun and three swords and arrows".

The bed crossbow has a range of up to 300 steps (about 570 meters), which is the farthest shot of any crossbow weapon in ancient China. However, the bed crossbow was bulky in construction and less maneuverable. With the development of firearms, bed crossbows were gradually discontinued.

The said bed crossbow is bulky, but it is not useless, and as the longest-range weapon, it is necessary to keep it.

"Wei Qing, this king once heard that there is a country in the extreme west, and their single bow and crossbow have a range of more than two hundred and forty steps, but it is not a bed crossbow. It claims to be inferior to other instruments, but I only saw such a record in a book, but unfortunately this king has not been able to draw it, this ...... It also depends on the joint efforts of the skilled craftsmen of my Great Song Dynasty to create a form of weapon, which requires a lot of manpower. ”

"Your Highness, is there really such a sharp weapon? The minister had never heard of it, and he didn't know if His Highness could describe what it looked like, so he asked him to bring some pen and paper and draw it. After Wei Pi finished speaking, he asked people to bring paper and pen.

Zhao Dezhao said: "Okay, you let the craftsman go and give it a try, after all, there may be things in this world that you and I can't predict, you remember...... This thing takes the body of the sword, the sandalwood as the bow, the iron as the head of the gun, the copper as the horse's face and teeth, the hemp rope and silk as the body of the string bow three feet with two inches, the string length from two feet with five inches, the arrow wood feather is several inches long, shoots more than 340 steps, and enters the elm wood half a pipe...... Like a bow and stirrups. Open it with stirrups from the ground, shoot 300 steps, and the hole can be pierced...... Belch...... This king also remembers such general things, and he has worked hard for Wei Qing. ”

"To be able to relieve His Highness's worries, it is really a blessing for the minister, Your Highness, please see, the minister is not talented, and he can only roughly draw the gourd painted in the same way, His Highness and let the minister go down to try it."

Zhao Dezhao saw it, and it was just like that, that is, he said: "This bow and crossbow will be handed over to Wei Qing, if there is any manpower or materials missing, this king will explain it to his father one by one." ”

"Yes, Your Highness, the minister retired first."

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ps. The crossbow first appeared in the Spring and Autumn period, and legend has it that it was invented by the Chu Qin clan. The Chuqin clan felt that the power of the bow and arrow was not enough in the war, so they attached an arm to the bow and created the first crossbow.