The cooperation of the three of them is relatively skilled, and the whole process takes about less than half a minute, and if the cooperation time is long, it can be shortened by ten seconds.

Chen Xu was satisfied with this time.

That is to say, if three craftsmen cooperate, an hour can stamping out 300 coins, working five hours a day, then you can produce 1,500 pieces, this speed is definitely faster than the old money casting method before, the most important thing is to be safe, because stamping casting does not melt the copper juice, only red-hot money blanks, in fact, if you can make hundreds of pounds of large stamping machine, according to the hardness of copper products, you can directly cold copper stamping casting, there is no need to heat with fire, so it is safer, But this is impossible without motivation.

Engine, engine, when will Lao Tzu be able to make an engine, steam power is also OK!

Looking at the busy cooperation of the three people, Chen Xu had some itchy teeth, but in this era when the most primitive stamping lathes are not good, I am afraid it is really difficult to make an engine, mathematics, geometry, physics, and materials science can't keep up at all, what thermal expansion coefficient, what compression ratio, what piston movement, what drag coefficient, what thermal energy conversion rate, these concepts are similar to the book of heaven for Chen Xu himself, if you want to let these craftsmen of Daqin understand, Chen Xu feels that he is better to die as soon as possible.

"Hou Ye, look!" A craftsman wiped out a few copper coins from the basin and handed them to Chen Xu.

There are a total of five coins, all of which are round square hole coins with a face value of one penny, two of which look good, with clear handwriting on the front and back and good edge contours, but three of them are obviously unqualified, and one of them is staggered by nearly two millimeters on the front and back and has been completely deformed.

"Master Hou, there will be deviations between the upper and lower halves of the money fan when they are closed, the problem is that the round hole and the connecting rod are not well sealed, and the slight deviation will appear when the handle is pressed, but we will cast a more precise stamping machine as soon as possible, several masters who participated in the production of Qian Fan have said, this stamping machine is much more convenient and safe than the previous Qian Fan...... "Ma Rod" said cautiously standing next to him.

"Well, it seems that there must be no problem with the stamping machine coinage, and you will continue to improve the precision problem, and then start mass production after the stamping machine precision is qualified!"

"Yes, don't worry!" The hemp pole and a group of craftsmen all bowed together.

"These coin samples are packed and put on my carriage, tomorrow morning I will send them to the emperor and the Shaofu Order to see, if you can, you will first make a large number of old-fashioned money models and provide them to the Shaofu Mint, currency reform is imminent, if the new coins are to be promoted, at least tens of millions of dollars in the country will be enough, and it will take several years to replace the old money, and I will ask everyone for credit tomorrow, and everyone will be rewarded!"

"Thank you, Master Hou!" A group of craftsmen suddenly smiled.

Chen Xu played with a few brand-new coins and returned to the cement workshop, at this time nearly two hours had passed, the cement bricks poured earlier had been completely solidified, Chen Xu pressed a few times with his fingers, and it was really very strong, and poked a few times with a wooden stick, and the wooden stick was only poked out on the surface of a few shallow marks, and the state of obvious initial solidification was very good.

"Okay, very good, the formula and firing steps of this cement are all recorded for the record, and all the people involved in the research are rewarded!" Chen Xu stood up happily and said.

"Thank you, Master Hou!" A group of supervisors, craftsmen, craftsmen and helpers of the cement workshop all saluted together excitedly.

According to the previous rewards, the successful development of this cement, I am afraid that the reward will be very terrifying, and the craftsman with the greatest credit does not know what kind of reward he will get?

A group of people looked excitedly at a craftsman with a slightly literati temperament.

Chen Xu also set his eyes on this young man who was wearing a coarse cloth shorts and shorts like a craftsman, and a shabby straw hat, "You completed the cement formula this time?" ”

"Yes, Master Hou!" The young craftsman was both excited and a little apprehensive, and replied respectfully.

"Very well, what's your name?" Chen Xu asked with a smile and nodded.

"Back to the Hou Ye, the subordinate is named Zhang Wen, the ancestors of the family are masons, grandfather once participated in the construction of Xianyang Palace, father participated in the design and construction of the original palace of Leyou, subordinates have also been influenced since childhood, like all kinds of architecture, also read a lot of books, in the Ministry of Industry to do a clerical clerk, this time I heard that the Academy of Sciences to study the method of turning mud into stone, the subordinates volunteered to come to be a craftsman, participated in the modification and test of the cement formula......"

Zhang Wen's excited lips trembled a little when he said this, and his face turned red and said: "It is said that Hou Ye is a disciple of the immortal family, not only developed the Taiyi Divine Thunder, but also developed steel to build horse harness to help the Great Qin soldiers conquer Henan and raid Hebei, and also invented movable type printing to print newspapers, this law of turning mud into stone is also a kind of immortal art, and the subordinates dare not be greedy, if there is no Hou Ye's formula and the support of all the craftsmen and the Gongyi Lord, the subordinates will never have the courage to succeed in the experiment, Therefore, the subordinates hope that this reward will be distributed to all the craftsmen and personnel involved in the development of cement......"

"Hehe, don't be modest, this method of turning mud into stone is indeed a kind of immortal magic, but it is no longer an immortal art, you can successfully develop it is a monstrous merit, I will personally ask the emperor for your credit, and, from today on, you are the manager of the cement workshop, all personnel deployment and development process are your responsibility, all expenses are reported to the financial office, arrange people to build a large kiln to burn cement, the more the better!"

"Thank you Lord Hou for your appreciation!" Zhang Wen's excited voice was a little choked, and the eyes of a group of craftsmen and supervisors looking at Zhang Wen were also full of all kinds of envious looks.

Among the craftsmen, many people look down on these craftsmen who can only move their mouths, saying a set of sets, but in fact, they can't even dance a few times with a hammer, but this time the cement was successfully developed, Zhang Wen has the greatest credit, almost every day in the cement workshop, every day guarding the furnace to observe the fire and record the time and process of forging, and for each step of the raw clinker production are carefully observed and also hands-on, for the clinker particle thickness caused by the results after firing will be carefully controlled, After the firing of cement powder, we will also make concrete and mortar by ourselves, and observe the solidification process and results.

This is an extremely tedious and boring process.

And these two months are the hottest time of summer.

Therefore, in the past two months, Zhang Wen, who originally had some fine skin and tender meat, lost more than ten pounds, and his skin was also tanned and peeled, and a large number of blisters were also ground out on his hands, and the blisters were broken and then slowly grinded out calluses.

Therefore, for Zhang Wen, whether it is helping to prepare and manage the cement workshop, or all the craftsmen and helpers, they all admire Zhang Wen very much.

It was Zhang Wen's tireless study and continuous observation and modification of the formula and production steps of cement that finally succeeded in developing cement within two months.

Although Gong Win is currently the manager of the cement workshop, most of the credit for the success should fall on Zhang Wen.

And for this kind of scientist who works hard and has a spirit of hard work, Chen Xu is naturally his favorite.

The world can progress, in fact, it has nothing to do with the vast majority of people, the promotion of human civilization is to rely on elites, philosophers and wise men, relying on scientists, ordinary people in the historical process of the development of human civilization are playing soy sauce, just bubble it, so the law of bubbles is almost 99% of the normal life of people, and the meaning of life is no different from ants.

That is to say, the credit of the hundreds of people in the cement workshop is far less than the credit of Zhang Wen, without Zhang Wen, everyone's credit is almost in vain, and what is done all day long is useless work, and it is the appearance of Zhang Wen that these useless work is finally transformed into useful work, which is the role of scientists.

And scientists are necessarily literate people.

This is why Chen Xu wants to make Zhang Cang the vice president of the Academy of Sciences.

Zhang Cang can not have any specific scientific research results, but as long as he can compile nine chapters of arithmetic and geometry tutorials, over time will train many mathematicians, these are the driving force for the rapid development of civilization in the future, craftsmen are only craftsmen after all, just like hemp rods, they can always tell him how to do it, but he himself will never learn to create a new thing, compared with winning or losing, hemp rods are too bad, except for obedience and sycophancy.

I spent about two hours in front of and behind the factory, and it was almost the hottest time of the day, about one o'clock in the afternoon.

Chen Xu couldn't stand the heat at all, the beads of sweat on his forehead were rolling down and he was drenched in sweat, and the fine linen T-shirt was very uncomfortable sticking to his body, so Chen Xu decided to go to the river to swim and cool off.

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