Marin is looking for craftsmen who are good at creating precision devices, so naturally he wants to create precision gadgets. What he wanted to build was a set of medical utensils – syringes, pillows and infusion tubes.

Among them, the syringe is made of traditional glass. It is not too difficult for a skilled craftsman to create a glass syringe. As for the infusion tube, Marlin also chose - the small intestine of the animal. It's just that a small valve should be added to it that can adjust the infusion speed. After all, the infusion can't be too fast or too slow. This is not too difficult for craftsmen who are skilled enough to make delicate objects such as pocket watches.

The only thing that is difficult is to make the needle of the syringe. This is because the needle needs to be thin enough and hollow. In addition, the needle must be guaranteed to have a certain strength, so as not to bend easily......

Seeing this, all the old book lovers guessed - Marin is going to give Simon a blood transfusion......

Simon's symptoms are obviously a problem of excessive blood loss. Because of the lack of blood in the body, the blood pressure is too low, the blood supply to the brain is insufficient, and he naturally falls into a coma.

Therefore, Marlin planned to give Simon a blood transfusion to solve the problem of insufficient blood supply in his body.

But the problem is that Marin does not have the coagulation reagent to measure blood grouping, so he cannot clearly test blood type. If you're mistaken, you'll kill Simon.

Then Marin remembered the question of blood transfusions from relatives......

However, Marin remembered that even if they were brothers, their blood types might not be the same, and they couldn't be transfused indiscriminately. Even if it's a father and son, it may not be the same. So, he couldn't be sure who in his family had the right blood type for Simon.

However, Marin remembers that between the two parents, one of the blood types of one of the parents and the child can be matched. In addition, Marlin remembers that blood type affects a person's personality.

According to the characteristics of the Hoffman family, it seems that Marin and Albert are more like Lady Mary and like to use their brains. Adler and Simon, on the other hand, are more like Hoffman Sr. and prefer hands-on ......

Therefore, Marin judged that Simon, Adler and Hoffman Sr. should have the same blood type, and he and Albert should have the same blood type as Lady Mary......

He's not too sure, though. So, give it a try when the time comes......

……

Syringe barrels and infusion tubes with valves were made quickly, but needles were really difficult to manufacture. The craftsmen tried a lot of materials, at first with sterling silver, which turned out to be too soft. Then, using a harder silver skin mixed with copper, they finally succeeded in rolling the appropriate needle. And in order to make the right needle, they failed hundreds of times......

It just so happened that after Adler was transported back to Emden by water and into Aurich by cement road, the needle was manufactured.

Then, Marlin began to prepare for the blood transfusion......

He didn't dare to use his own blood to transfuse Simon, after all, he and Simon had very different personalities. So, he can only find old Hoffman and Adler. But Adler is in Ireland at this time, and he can't help......

However, if he went to old Hoffman, Marin was afraid that the old man would beat him. After all, the fact that he faked his death indirectly pitted Simon. So, he was a little afraid to see the old man now......

Fortunately, Marin's troubles did not last long before good news came - Adler heard that the North Sea Kingdom was in trouble, and rushed to Emden by boat with 40 knights and most of the fiefdom soldiers. Apparently, Adler was planning to come back and help. After all, the bad luck of the North Sea Country reached Ireland, and Adler must be in a hurry.

When he heard that Adler was back, Marin was very happy. So, he had Adler quickly invited him to Aurich.

Seeing Marin standing in front of him alive, Adler was stunned for a moment, and then showed a happy expression. Then, it turned to anger:

"Why is there news in Europe that you are dead? Don't you live well? Declare you alive so that the rebellious legion can return. Otherwise, the North Sea Kingdom will be lost! ”

Marin paid close attention to Adler's expression, and was sure that he didn't see disappointment in his expression, and his heart became happy—it seemed that Adler had come back this time without harboring evil intentions. Otherwise, seeing Marin would definitely show a disappointed expression.

Since the boss didn't plan to bully Caesar, Marin naturally lost his heart. Then, he asked Adler to keep it a secret for the time being. Don't even tell old Hoffman and Lady Mary, lest the two old men accidentally divulge the secret.

But Adler still punched Marin angrily, because he also thought that Simon's injury was related to Marin's fake death.

Although the corners of his eyes were bruised, Marin was not angry at all. Because Adler beat him for Simon, and he does have a lot of responsibility.

After beating Marin, hearing that blood was going to be drawn, Adler rolled up his sleeves without hesitation......

……

But Marin didn't dare to be careless, because, even if he was a brother, his blood type might not match. Marlin does not have the technology to verify the exact blood type, so he can only guess.

In order not to kill Simon, Marin hesitated for a long time, first drew a small amount of blood from Adler, and transfused it to Simon. In this way, even if it doesn't match, it won't end Simon.

After the first blood transfusion, Marin observed for three days and did not find anything abnormal, before he breathed a sigh of relief - it seems that the saying that blood type determines personality did not lie to me, and the blood type of muscular men and muscular men really matched......

Then, he increased the amount of blood transfusion, but still did not do much. After two more days of observation, the large dose was finally administered......

Then, Simon's pulse began to strengthen, and his complexion changed from pale to rosy......

……

"Whew...... I'm scared to death, I'm afraid I'll kill Simon by mistake! It seems that we still have to study the serum that is specifically used to measure blood type! This one...... Maybe it can be given to Ada? ”

When it comes to medicine, Marin knows a lot, but it's all lip service. His real level of medicine is not as good as Leonardo da Vinci. Therefore, the burden of developing blood group reagents has to fall on Leonardo da Vinci. Who told him that he was not only good at dissection and other medical methods, but also knew how to alchemy.

No matter what method he used, as long as he could develop one or two reagents that allowed one blood type to coagulate, but not others, it could be used for a simple blood test. It would be even better if you could easily measure blood type O, the king of blood transfusions......

……

As Simon's condition gradually improved, Marlin's guilt was finally relieved......

However, Marin, who was full of intrigues and tricks, suddenly had another plan......

"Simon, go ahead and pretend to be unconscious! Only then will I have more reason to avenge you and kill those who murdered you! ”

Marin said it was high-sounding, but in reality, it just gave him more excuses to annex the enemy. However, this reason is enough to coax Simon, who doesn't like to use his brain.

"Okay, I'll continue to pretend to be unconscious. However, pretending to be unconscious is troublesome ......" Simon looked at Marlin pitifully. Subtext - I want benefits!

Marin thought for a moment and said:

"Don't you want to fight? After this war is over, I will let you lead troops to the Savage Continent to destroy an indigenous country! ”

Let Simon lead the troops to fight in Europe alone, Marin is not at ease. However, it was no problem to send them to destroy the Mexican Aztec Empire and the Inca Empire. Simon doesn't have any brains, but Indians are even more stupid......

Hearing that he could fight the war of annihilation, Simon immediately agreed to cooperate with satisfaction. Then he began to fantasize about his dream of commanding tens of thousands of troops to conquer the enemy country.

But Simon didn't know that the elimination of the Aztec Empire and the Inca Empire would take only a thousand people to push it flat. Thousands of troops? What about dreaming...... But now Marin won't tell him the truth, lest he repent......

……

After Simon agrees to continue pretending to be unconscious, Marin begins to recruit a spy who is proficient in makeup to make Simon's face more sickly. Then, arrange to "recuperate" in the designated house. Even, Marin specially arranged for foreign envoys to visit Simon in a "coma".

In order to make Simon pretend to be even worse, Marin not only had the spy put on Simon's morbid makeup, but also wrapped blood-stained bandages around his wounds. Of course, he usually doesn't wrap up, and when outsiders come to visit, he immediately adds a layer of "oozing blood" bandage to his real bandage, which looks extremely miserable......

……

Marin then instructed Angela, in the name of 10-year-old Caesar, to issue a relatively immaturely worded battle message, announcing that his uncle Simon was "seriously injured and unconscious and in danger" after being wounded by the Eight-Nation Alliance. Then, he publicly vowed to destroy the 8 countries and avenge his uncle......

After the article was made public, many people sympathized with the 10-year-old Caesar, and some gloated. And when the two Duke Henry learned about it, they laughed:

"His uncle has been beaten by us and can't wake up, and even he, a 10-year-old kid, can defeat our powerful coalition forces? Celebrate, allies, we've won! ”

Several other princes raised their glasses in celebration, and even the most cunning of all, Charles, the Earl of Geldon, did not doubt him. Because, if the enemy had a conspiracy, he would not let Simon, an important family member, take such a big risk. After all, Simon's arrow fell from his horse, which was seen by many people on the battlefield, and he couldn't fake it......

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