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In travel novels or film and television works, steel, gunpowder, and glass are considered the three axes of the traveler.

Let's not talk about the first two things for the time being, let's just talk about glass.

In fact, glass has been invented by the ancients a long time ago, about 3,700 years ago, the ancient Egyptians have made glass ornaments and simple glassware, about 1,000 years ago, China has made colorless glass, and to the current Northern Song Dynasty, in fact, there has been commercial glass, and glass has begun to become an industrial material.

However, the glass of this period was relatively simple low-temperature lead barium glass.

Because of the chemical composition and firing temperature, the low-temperature lead barium glass will be fried as soon as it encounters hot water, and the cost is extremely expensive, so it cannot be used as a household utensil.

As a result, glass in this period was confined to ornaments, and was rarely used as eating utensils, let alone optical glass.

But—

Although the current glass craft is not mature, because of the needs of goods, there were actually craftsmen who fired glass during this period.

Cai was still planning to open a glass factory to make money, so he recruited some craftsmen to make glass.

Later, Cai still learned that his soap was selling well, so he put the idea of opening a glass factory on hold.

Although Cai still did not open a glass manufacturing plant, he did not stop the research and development of glass.

Cai still does this, first of all, it is natural to leave a way back for himself, after all, all eggs can't be put in one basket, and secondly, glass can not only help Cai still make money, but also bring other practical uses to Cai Ying.

For example, telescopes.

As long as there is a telescope, whether it is a marching sentry, a confrontation between two armies, or a formation of troops, the command of the officers can be strengthened, and they can anticipate the enemy first, calmly deal with it, and be invincible.

Glass is such a thing, in fact, it is not difficult for those who can do it, and those who are difficult will not.

Moreover, the raw materials for making glass were very easy to find, even in the Song Dynasty.

Quartz sand: Quartz sand is a quartz particle made of quartz stone by crushing, as early as a long time ago, the ancients have been mining and using it - it is an important raw material for ceramics, so as long as you find a place to fire ceramics, you can find quartz sand.

Limestone: This one is for building walls and painting walls, so it's easy to find.

Feldspar: The most important rock-forming mineral for surface rocks, don't worry about what it looks like, it is also an important raw material for ceramics.

Soda ash: that is, sodium carbonate, also known as soda, block alkali, stone alkali, mouth alkali, widely used in printing and dyeing, tanning, edible, the ancients have long been used.

Then there's the manufacturing process.

Batching, melting, forming, annealing.

Cai has still seen this program at least hundreds of times.

Even if Cai still hasn't practiced it himself, let those craftsmen who fired glass experiment repeatedly for a period of time, and they will definitely be able to fire it.

As for polished glass, it was as early as the Spring and Autumn Period that the Qi Kingdom had superb crystal polishing and polishing technology, and ancient crystal products have always been produced, so of course, it is not difficult to find professional craftsmen.

In a word, under the guidance of Cai Ying, the world's first telescopes have appeared, and they have been armed to the soldiers of the Jinwu Army and the hands of Tabai.

And along with the birth of the telescope, there is another thing - glasses.

……

After several attempts, Cai still finally adjusted the appropriate lenses for Liang Shicheng.

Don't be a eunuch who doesn't learn anything, don't think that traitors don't have talent.

Wrong!

At least the Liang Shi achievement is an exception.

At this time, there has always been a legend that when Su Shi was far away, he sent the maid at home to Liang's friends, and gave birth to Liang Shicheng in less than a month.

Liang Shicheng also called himself "Su Shi's son" and "Su's remains".

The point is that the Su family has not denied it.

It is said that Liang Shicheng took into account the brotherhood, and even said to the account room at home: "If Xiao Su uses money, less than 10,000 yuan, you don't have to sue me, just pay it." ”

And the real "sitting" Liang Shicheng is the son of Su Shi, Liang Shicheng once participated in the imperial examination, and won the seventh place with his strength.

The world says that if Liang Shicheng is not the son of Su Shi, how can he be admitted to Jinshi?

In fact, Su Shi's scientific examination results were not as good as Liang Shicheng - Su Shi was admitted to subject B, and Liang Shicheng was admitted to subject A, and the difference between the two was not half a point.

It's just that Su Shi's fame is too great, and the world will transfer Liang Shicheng's own efforts to Su Shi's genes.

Actually-

It is not easy for Liang Shicheng to get to this point, and it can be said that he has worked hard behind him to become the hidden phase he is now.

And it is precisely because Liang Shicheng has worked too hard that Liang Shicheng has been myopic as early as decades ago, and it is getting more and more serious, and now it has even arrived, three meters away from hermaphroditism, ten meters away from humans and animals.

To paraphrase a limerick poem from the Ming Dynasty:

Xiaojun's eyes are too strange,

Zili asked beside him who it was?

The sun through the window lattice takes the marble,

The moon moves and the shadow of the flower picks up firewood branches.

Hurt my nose because of looking at the painting wall,

Eyebrows are sandwiched for the lock bookcase.

There are more general laughables,

Blowing the lamp burns the skin of the lips.

The pain of not being able to see anything clearly is simply indescribable.

Let's put it this way, when Liang Shicheng was young, he loved to read, even to the point that he never left his hand, and now, because of his high myopia, he can no longer read by himself, so he can only let the scholar read to him.

Therefore, as soon as Cai still showed Liang Shicheng the magic of glasses, Liang Shicheng became expectant, and when Liang Shicheng couldn't wait to put on Cai Ying's debugged glasses and see the world that he hadn't seen clearly for decades, he was as calm and spicy as Liang Shicheng, and couldn't help but shout at Liang Bingcong excitedly: "Wu'er! Come quickly, my son, and let the father see you! ”

When Liang Bingcong heard this, he hurriedly came to Liang Shicheng's side and said, "Father, the child is here!" ”

Liang Shicheng held Liang Bingcong's big cake face and said: "Wu'er turned out to be like this, well, like when I was young, so handsome!" ”

Cai on the side still heard this, and suddenly his head was full of black lines, and he said in his heart: "Just like Liang Bingcong, can he also get involved with 'Junlang'?" ”

When Liang Shicheng slowly calmed down, he finally realized a feeling of being a little top-heavy and unable to grasp the distance, he hurriedly asked Cai Ying: "Virtuous nephew, after wearing these glasses, how do I feel a little dizzy, I won't always be like this in the future, right?" ”

Hearing that Liang Shicheng called himself a "virtuous nephew", Cai still immediately hit the snake and said: "Uncle don't worry, this is because Uncle just put on glasses and is not used to it, and when Uncle gets used to it, he will not have these feelings anymore." ”

Liang Shicheng said happily: "Okay, good, it's good that I won't feel like this all the time!" ”

In fact, after entertaining so many people today, Liang Shicheng was already very tired, and when he met Cai Ying, it was completely for Liang Bingcong's face, and he didn't want Liang Bingcong to lose his faith.

In fact, according to Liang Shicheng's original plan, that is, to see Cai Yi, encourage him twice, and then issue an eviction order.

didn't want to, Cai still gave Liang Shicheng a pair of customized glasses, so that Liang Shicheng could see again.

In this case, how can Liang Shicheng directly give Cai Yi an eviction order?

Liang Shicheng put on an elder tone and said: "I have been an official in the same dynasty as your father Cai Shaobao for many years, and I know his talent very well, but it's a pity...... In the future, if you have anything, you will come directly to me at home, and you and Cong'er should always contact and get closer, we are all old, and the future belongs to you young people. ”

Cai still said very respectfully: "The little nephew and Brother Liang hit it off at first sight, so they naturally want to be close, if Uncle doesn't bother the little nephew, when the little nephew returns from the war this time, he will come to see Uncle again." ”

"War?"

Liang Shicheng was slightly stunned!

It's no wonder that Liang Shicheng doesn't know Cai Ying's situation, but the current Cai is still too insignificant in the eyes of Liang Shicheng, a powerful minister who leans towards the government and the opposition, so how can Liang Shicheng spend his precious energy and time on Cai Ying, even if Cai is still Cai Bian's son, even if Cai is still Cai's family.

Let's put it this way, if it weren't for Cai still catching Liang Bingcong's line, Liang Shicheng might not have noticed Cai Ying, if it wasn't for Cai still giving Liang Shicheng a pair of glasses that could make Liang Shicheng see again, Cai still might not even have the qualifications to ask Liang Shicheng about his identity.

Liang Bingcong is also a spirit-agitating ghost, seeing that Liang Shicheng didn't know that Cai still abandoned literature and martial arts, he interjected: "Although Ziyin is the fourth in the undergraduate, he did not choose to follow the step-by-step path, but abandoned literature and followed martial arts, and is now the commander of Jin Wuwei. ”

"Jin Wuwei's commander?"

Liang Shicheng reacted for a while before he realized what position Cai was still holding.

Liang Shicheng frowned and said, "Taishi Cai doesn't look like such a heartless person." ”

Cai was still busy and said: "This matter has nothing to do with the little nephew and uncle, the little nephew and uncle want the little nephew to serve as the county commander of a county, it is the little nephew who insists on abandoning literature and martial arts, and the little nephew and the eldest brother let the little nephew lead Jin Wuwei in order to sharpen the little nephew's temperament." ”

As soon as Cai still said this, Liang Shicheng also understood, and he asked, "Why did the virtuous nephew abandon literature and martial arts?" ”

Cai was still helpless, so he could only tell Liang Shicheng again what he thought about Cai Jing and the others, and he thought that the national war might be about to start, and that there might be more things that martial artists could do.

Liang Shicheng listened to it and said, "The virtuous nephew is really a little different. ”

After thinking about it, Liang Shicheng said again: "Over the years, I have also collected a lot of armor, and I will ask Cong'er to accompany my nephew to pick a set, even if it is a gift I gave to my nephew." ”

Cai was still busy refusing and said, "How dare the little nephew accept a heavy gift from an uncle." ”

Liang Shicheng waved his hand and said: "Since the virtuous nephew has abandoned literature and martial arts, he must have a good martial arts, and those armors are in the hands of the virtuous nephew, it is not considered to insult them, it is better than being dusty in my treasury all the time." ”

After speaking, Liang Shicheng didn't give Cai still a chance to refuse, he said: "The elder gives it, you can't give it, you can take it", and then directly ordered Liang Bingcong: "Cong'er, you take Liulang to pick." ”

When Liang Bingcong heard this, he stretched out his hand to Cai and said, "Brother Cai Xian, please." ”

Seeing this, Cai still had to say goodbye to Liang Shicheng, and then went to Liang Shicheng's armor arsenal with Liang Bingcong.

At first, Cai still didn't take Liang Shicheng's return seriously.

But when Liang Bingcong opened Liang Shicheng's armor storehouse, Cai Ying's jaw almost didn't fall in shock!

A warehouse covering an area of nearly 10,000 square meters is full of armor!

Cai still made a rough estimate in his mind that there might be thousands of pieces of these armors!

You know, this is not an ordinary armor, but the best armor, and there is even a lack of magic weapons!

Therefore, what is the concept of thousands of pieces, there is no need to say more, right?

Seeing that Cai was still full of shock, Liang Bingcong said with a smug face: "My father has one hundred and ten positions, one of which is the head of the Duda Ordnance Institute, so you know why my father has so many treasures, right?" ”

The full name of the Metropolitan Ordnance Institute is "the Metropolitan Armament Institute for the internal and external manufacture of armaments", although it is the same as the Arsenal Supervisor, the Metropolitan Armament Institute is also to create weapons and armor, but it is controlled by eunuchs, and it is not subordinate to the Ministry of Industry, and the production is not entered into the Weiwei Temple, and the output is returned to the inner library.

To put it simply and bluntly, the Duda Ordnance Institute is the royal family's own blacksmith shop.

And Liang Shicheng is responsible for the management of the Duda Ordnance Institute, and it is naturally not difficult to get some good armor.

Cai still guessed that Liang Shicheng should not have made these good armors for anything, but to send military attachés to win people's hearts, just like sending Cai Yi.

Liang Bingcong asked: "Brother Cai Xian, what kind of weapons are you used to, I'll ask someone to help you find a good one." ”

Cai still said: "Anything is fine, but there is one thing, it is a little heavier." ”

When Liang Bingcong heard this, he rushed to the side to look at the head of the armor warehouse and said, "I heard what my brother Cai Xian said, why don't you go and pick up a key weapon." ”

When the manager heard this, he immediately took the two servants to fetch a pair of iron shovels.

The chief steward pointed to this pair of iron maces and said: "Each of these iron maces weighs nine catties, six taels and four dollars, and non-top warriors cannot use this pair of weapons." ”

Cai still listened to the words and grabbed the double mace with one hand.

After casually flipping it twice, Cai still said: "It's too light, not suitable for me." ”

In the past, Liang Bingcong still had martial arts for Cai, and he was always suspicious.

Until this moment, seeing that Cai was still nearly twenty pounds of iron as if he was turning two chopsticks, Liang Bingcong believed that Cai Ying, who had brute strength, should indeed be a general.

Liang Bingcong praised: "Liulang is so strong. Then he instructed the manager: "Why don't you go and change it again." ”

After a while, the chief steward brought a pair of golden copper hammers with two small servants.

The general manager introduced the pair of copper hammers and said: "This pair of hammers, called the Shaking Mountain Hammer, a weight of fourteen pounds and five taels and three dollars, is made of fine brass, ordinary generals, not to mention fighting with them, even if they dance, it is difficult to do." ”

Cai still didn't talk nonsense, he took the double hammer directly from the shoulders of the two little guys, and then danced a few times casually, and said, "No, it's still light." ”

Seeing that Cai was still dancing these two heavy hammers casually like dancing two wooden sticks, the two little guys who resisted the hammer swallowed their saliva in unison, and said secretly: "This person looks weak, I didn't expect to have such divine power!" ”

Liang Bingcong was also secretly frightened, he said in his heart: "No wonder he wants to abandon literature and martial arts, just with his pair of arms, even if there is no one to help, he should be able to fight for a future in the side court, right?" ”

Liang Bingcong suppressed his shock and said, "Are there any heavier weapons?" ”

General pipe: "Yes, there is also a mixed iron dragon stick, weighing thirty-seven pounds and one or two dollars, but that thing is used for boiling energy, and it is impossible for anyone to use it as a weapon." ”

Cai was still a little interested when he heard this, and said, "Take it and take a look." ”

The manager looked at Liang Bingcong.

Liang Bingcong said: "Go and get it." ”

When the manager heard this, he immediately led the two servants to get the mixed iron dragon stick.

After a short time, the chief steward and the two servants brought a long mixed iron stick many feet long.

Seeing that the three of them were struggling to lift, Cai still walked over and directly picked up the iron rod.

Cai still didn't speak, and directly danced the iron rod that no one could use as a weapon.

When Liang Bingcong and the others saw it, they all shouted: "Okay! What a hero! "Childe is so strong and capable! "Who is this son, and how did he get such divine power? ”……

I don't want to, Cai is still dancing, and suddenly stops!

Seeing this, Liang Bingcong stepped forward and asked, "Brother Cai Xian, why did you stop?" ”

Cai was still a little embarrassed and said: "It's still a little light, are there any heavier weapons?" ”

……