Chapter 326
It's only been two days since the general examination, and candidate Cheng Jiashuo has already been summoned by the emperor three times.

What is the background of this guy, why is the emperor so favored?
Cheng Jiashuo became a big celebrity in the capital almost overnight.

Soon, the name of Cheng Dawei also spread in the capital.

Because when the decree was announced that day, many ordinary people ran to watch.

However, the reason why the common people came to watch at the beginning was not because they wanted to watch the announcement of the decree.

They were very curious when they saw the plaque, so they couldn't help but followed to see it.

Math guru!

Who is this?
The title of grand master is really scary, and the emperor personally gave him a plaque to recognize it. Is there such a person in Ming Dynasty?

Never heard of it!
If everyone has heard of it, they may not be so interested.

It is precisely because no one has heard of it that it arouses strong curiosity.

Who is this person?
At first, the common people thought it would be an old man with a white beard.

As a result, the eunuch who delivered the decree handed over the plaque to a young man.

This person is a candidate for the examination, Xiuning Juren Cheng Jiashuo.

However, the plaque was not given to him, but to his grandfather.

The master of mathematics for a long time is Cheng Dawei, the grandfather of candidate Cheng Jiashuo!
What's more, the emperor gave his grandfather a posthumous first-rank Doctor Ronglu.

What does mathematics mean? Not many people understand it at the moment.

However, this does not prevent ordinary people from bragging.

The common people present that day were so excited.

Master!
It turns out that Daming still has such a capable person.

They ran back and blew away.

You do not know?

I don't know!
Come, listen to me blow to you.

So the name of Cheng Dawei, the master of mathematics, also spread in the capital.

Of course, it is impossible for the common people in the capital to blow the name of Cheng Dawei to the world.

There is no TV these days, let alone the Internet. If a person wants to be famous in the world, he must have something famous in the world.

Immediately afterwards, Taichang issued an order to call all engravers above the seventh level to engrave the graphics in "Algorithm Tongzong".

And ordered the government-run Hanjing Factory to immediately typesetting and prepare for printing.

In fact, to carve a set of book plates, it is not necessary to gather all engravers above level seven.

At present, although there are not many engravers above the seventh level, there are still dozens of them, and there are only dozens of graphics in "Algorithm Tongzong".

That is to say, each craftsman above level [-] only needs to carve one or two plates.

These craftsmen above the seventh level are not blown out, but have passed the assessment and competition organized by the Ministry of Industry, and they have been tested.

The speed of their engraving is not so fast, it doesn't take an hour for ordinary graphics.

As a result, in less than half a day, all the plates of "Algorithmic Tongzong" were carved out.

And with all the typesetting at the Hanjing Factory, all the text on the pages of the book was also arranged the next day.

On the third day, a brand-new set of "Algorithm Tongzong" was delivered to the desk in the Yushufang.

Taichang flipped through it roughly, and nodded in satisfaction.

After all, the Hanjing Factory is the place where the imperial court specially prints Buddhist scriptures, Confucian classics, and legal documents. The type used is naturally the best, and the printed books are much better than those printed by the printing workshop that Mr. Cheng randomly found in the folks. .

He dug out all the abacus graphics and compared them, found the most practical one, and then took the booklet and walked to the steam engine factory.

Cheng Jiashuo was in the steam engine factory at the moment, and he even moved back from the inn room and directly lived in the house specially built by the steam engine factory for craftsmen.

He wasn't doing it to save money, after all, he was from a merchant, and both his father and his grandfather were the kind of people with particularly good brains, so his family was still very rich.

He lived in it entirely because of his obsession with steam machine tools.

This guy is a mechanical genius, and his obsession with machinery is comparable to that of Prince Zhu Youxiao's obsession with carpentry.

Originally, he could play with measuring walkers and water wheels at home, but now the emperor allowed him to play with steam machine tools, and he was almost crazy with joy.

This thing is so fun, there is no such fun thing in the whole world!
He was also going crazy.

In less than three days, he played with the machine tool for pressing thin iron plates!

Taichang ran to the casting workshop to see that this guy was squatting in front of a big melting furnace playing with molten iron!

My God, don't play around with molten iron!
If you don't play well, you will die!

Taichang was so frightened that he didn't dare to go over, because he was afraid of going over and shocking this guy.

If this guy was so startled that he threw his head into the molten iron, it would be over.

He didn't want to lose such a rare talent.

How to do it?

There is a crucible of molten iron in front of this guy!
And this guy was right in front of the crucible bucket, staring at the molten iron in the bucket.

After thinking for a while, Taichang raised his hand to beckon a craftsman, ordering him to go over and call this guy over.

The craftsman walked over quickly, patted Cheng Jiashuo on the shoulder, and signaled that the emperor was coming.

Cheng Jiashuo looked back, quickly got up and walked over, bowed his hands and said: "Students see the emperor."

Taichang saw this guy's face was flushed from being roasted, and his head was sweating profusely, so he couldn't help asking curiously: "Why are you squatting in front of that molten iron?"

Cheng Jiashuo quickly explained: "The students are thinking about how to press out a longer thin iron sheet."

Thinning the iron sheet?

Taichang was puzzled and asked: "What does this molten iron have to do with the thinning of the iron sheet?"

This is a bit unclear.

Cheng Jiashuo thought for a while, then pointed to the iron shelf not far away and said, "Your Majesty, why don't you follow the students to have a look?"

What are you looking at?

Taichang followed this guy and took a look, he couldn't help being dumbfounded.

This guy has already made a machine for pressing thin iron plates, and the design is quite exquisite.

The thin iron plate used for the measuring tape is only about half an inch wide, so the press is so small that he didn't notice it when he came in.

He thought it was just an iron shelf.

In fact, this is a platen press!
This plate press machine is really small, the pressure roller is less than two fingers wide, and the small round roller under the pressure roller is replaced by ball bearings, and a row of ball bearings used to be a polished rail.

The rail is actually a platform for cooling the thin iron plate, because the thin iron plate used for the tape measure is very narrow, so it is enough to use the rail directly.

Have to say, this guy is a genius!
It took less than three days, and this guy actually made a machine for pressing thin iron plates.

Moreover, looking at the materials used, except for the two small pressure rollers, everything else is basically off-the-shelf.

In other words, this machine for pressing iron plates can easily be mass-produced.

Genius, what a genius!

Cheng Jiashuo didn't know that the emperor was praising him fiercely in his heart.

He directly ordered a craftsman to clamp an iron bar as long as a finger and throw it into the furnace, then he opened the steam valve and started the plate press.

After a while, the craftsman clamped the red-hot iron bar and stuffed it between the two small rollers.

A thin iron sheet with a width of about half an inch was pressed out in this way.

When Taichang saw the finished product, he immediately understood.

Because the thin iron sheet is not long enough.

An iron bar as long as a finger can press out a thin iron sheet more than a foot long.

Naturally, such a little long thin iron sheet cannot be used to make a tape measure.

Taichang looked at it for a while, then nodded slightly and said: "I understand, you can only burn this long iron bar, right?"

Your majesty is really amazing, you don't even need me to explain it, you can understand it just by looking at it!
Cheng Jiashuo nodded again and again: "Yes, it's useless to burn the long one. If you press the iron bar for such a long length, it will be cold and hard, and you can't press it anymore."

So you run over and stare at the molten iron!
Taichang shook his head, and then solemnly warned: "Don't be so desperate next time, molten iron is too dangerous, accidents will happen if you are not careful."

Cheng Jiashuo quickly explained: "The students want to lead the molten iron directly from the furnace, turning it into a red-hot iron bar, and then directly into the pressing machine. In this way, the thin iron sheet can be pressed out as long as you want."

Yup!

Thin iron sheet and thick iron plate actually have the same principle, but the size of the materials used is different.

If this is the case, then the output of iron plates can be increased rapidly.

Because if the molten iron is drawn directly from the furnace, the processes of casting large iron ingots and burning red large iron ingots are saved.

These two processes are the most time-consuming.

Hearing this, Taichang couldn't help nodding and said: "Well, this idea is very good. You can just ask the craftsmen here to make a clay trough to draw the molten iron. Why are you running over to stare at the molten iron?"

But Cheng Jiashuo sighed helplessly: "Your Majesty, you can't direct molten iron into the press machine!

If the molten iron is drawn directly, the thin iron sheet pressed out by the platen machine will be like boiled noodles, soft and slump, and it will be broken if it is not connected with a roller, and it will fall down the roller if it is connected with a roller. There is no way to pass it to the rails to cool down.

That is to say, the molten iron must become a red-hot iron bar before it can enter the platen press.

The problem is that after the molten iron turns into a red-hot iron bar, it can't flow anymore, and it can't flow into the plate press at all! "

Uh, indeed.

Molten iron can still be regarded as a liquid, and it can still flow. After turning into a red-hot iron bar, it is actually a solid, and the solid can't flow.

However, it is possible to add a conveyor belt underneath.

Thinking of this, Taichang couldn't help but nodded slightly and said: "Well, we need to add a conveyor belt underneath."

Conveyor belt?

Cheng Jiashuo couldn't help asking curiously: "Your Majesty, what is a conveyor belt?"

Uh, no conveyor belts yet!

How to explain it to others?

Taichang thought for a while, and then asked, "Have you ever seen a waterwheel, the pedal type."

Cheng Jiashuo nodded repeatedly: "The students have seen it, and the students have not only seen it, but also done it themselves."

It's that simple.

Taichang explained in detail: "Think about it, if we replace the chain on the water wheel with iron, and replace the water basket in the middle with iron plates, and replace the pedals with a steam engine, it will continue Can the rotating chain carry the iron plates continuously back and forth? This kind of thing is a conveyor belt, an iron conveyor belt. If you add such a conveyor belt in front of the plate pressing machine, it can turn it into red-hot iron. Is the molten iron in the state of the iron bars brought over?"

When Cheng Jiashuo heard the words, he couldn't help dancing excitedly: "Students understand, students will make an iron conveyor belt and come out."

After speaking, he wanted to turn around and run away.

Taichang quickly raised his hand and said: "Hey, wait, let's do this tomorrow, you go to Wubei City with me first."

what?
Cheng Jiashuo couldn't help being taken aback when he heard this.

He has long wanted to visit Wubei City, but now he wants to make a conveyor belt even more!
Seeing this, Taichang couldn't help shaking his head and laughing: "You don't have to be so anxious, it's the same to make the conveyor belt tomorrow, you go to Wubei City with me to finalize the style of the abacus, this abacus has to be made as soon as possible, I will use it soon .”

The emperor is in a hurry to use the abacus?
When Cheng Jiashuo heard this, he was stunned again.

He really couldn't figure out why the emperor was in a hurry to use the abacus.

Of course, Taichang didn't use it for himself, he was planning to use it for others.

As for who it will be used for, he can't say it for the time being.

(End of this chapter)

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