There were a lot of vaccinations collected, and Huang Han didn't want to destroy them in vain, so he decided to personally vaccinate his subordinates and his family.

The drums of the "Tiger's Den" city gathered and the "Red Flag Army" system tried more than 100 households.

Huang Han didn't have any nonsense, and said straightforwardly: "Everyone, the official wants to give you pox so that you will never be infected with the smallpox epidemic, and those who trust the official to voluntarily inoculate will show their left arm and let the official get a shot." ”

Suddenly, there was a crisp sound, and all the officials were removing their armor, and after a while, all the generals, including the soldiers on duty, showed their left arms.

Huang Hanzha's first is of course Hanzi, the second is Song Pengfei, and the third is Yang Danian......

Seeing that there was no one under his command, Huang Han smiled and asked, "Why aren't you worried that the secret skills of this official are not working, but will cause everyone to get sick?" ”

Hanzi said: "Brother Han, let's all believe in you with all our hearts, if it really doesn't work, no one will blame you, aren't you also a good intention!" ”

Song Pengfei said: "The master's secret technique must be fine, let alone prick it with a needle, even if I use a knife to rip a piece of meat, I won't blink." ”

The rest of the officials all laughed, no one was worried, they all expressed one meaning: "Trust the head of the family, believe in the teacher, and don't ......worry if you are unlucky and there is no effect."

Huang Han said: "Xiao Song, don't look at it, you have seen how I got the acne liquid and the needle." ”

Song Pengfei was very smart and said loudly: "Xiaguan already knows how to get vaccinated, so I'm here to help." ”

At this time, the three old apprentices also rolled up their sleeves and joined the ranks of needle piercing, and as they spoke, they had already pierced all the officials and soldiers present.

Huang Han said: "Hanzi and Song Pengfei, you are responsible for notifying the brothers who were unable to come because they were on duty, and let them come to Li Zhonghua to get vaccinated by themselves.

Those who have been pierced should pay attention to the hygiene of the wound, there may be a little itch, do not scratch, and do not disinfect with alcohol. If anyone has unbearable discomfort, immediately come to this official or Li Xunpress. ”

Li Zhonghua and the three of them saw that Huang Han had pierced them again, and then they had been pierced for more than a hundred years, and they didn't wait to see how effective they were, and then they summoned their subordinate officials and stabbed them again, and the master's attitude was so resolute that they were more confident in the success rate.

Next, Huang Han's style made them feel even more at ease, because Huang Han personally injected his wife Zheng Xiu'e, and then gave Qin Yanyi and Chu Chu a needle.

It's okay to give Zheng Xiu'e a needle, although she was scared, she gritted her teeth and endured it.

Of course, Qin Yanyi didn't even frown, but Chu Chu's mother, who was watching from the side, fled out with a sound, and she refused to get a needle.

In the end, Huang Han got angry and went to catch it in person, Chu Chu cried and closed his eyes and trembled to let Huang Han pierce.

Next, under the guidance of Huang Han, Qin Yanyi injected the twenty-two female soldiers below Qin Rong who followed her, and then Qin Rong took the female soldiers to prick all the female dependents, including Hanzi, Song Pengfei, and Yang Danian's women.

The men in Huang Han's family were all demonstrated by him, the head of the family, and then the clever Huang Kezao and Liu Zaiqi went to tie them one by one.

Five days later, Li Zhonghua and the others couldn't wait to get a wide range of cowpox, because they found that as Huang Han said, there was only a slight pain in their arms.

Li Zhonghua and Li Zhongzi's arms have been healed, leaving a faint scar, Wu felt a little uncomfortable the next day after sexual pox, and it was no problem to rest for a day, and now the position of the ulcer on the arm is not completely healed.

Hundreds of people have been vaccinated, and no more than 20% of people feel mildly unwell, and no one has really fallen ill because of the vaccination for four or five days, which shows that the safety is no problem at all.

Li Zhonghua and the three of them are all famous doctors of the time, and of course they realized that from now on they had smallpox immunity, and they were excited and excited, so they wanted to protect more people from smallpox.

The three of them came to a consensus that all of them had cowpox planted on the outside of their left arm, so that they could check whether the pox was successful and also distinguish those who did not have pox.

How to collect pox seedlings is also relatively simple, they personally take apprentices and young students to squeeze the pus of cowpox with a knife and store it with porcelain.

There are three famous doctors, Li Zhonghua, Li Zhongzi, and Wu Youxing, who are responsible for giving vaccinations to the soldiers and civilians within a radius of 80 miles, of course, there is no need for Huang Han to worry about it anymore, after all, planting cowpox is a completely mature means of prevention.

Moreover, Huang Han will not make a profit in this matter at all, all the expenses are borne by the imperial court, and the insufficient part of Huang Han pays silver subsidies to give the people vaccinations completely free.

There is no interest here, so there should be no Han people to peep at the secrets of the vaccine, and after the reputation spreads, nine out of ten people who come to steal the secret skills should be enemies.

In order to prolong the secrecy period as much as possible, the Li Zhongzi brothers and Wu Youxing spared no effort to remind the teenagers and apprentices to be vigilant when they taught them to prevent the secret skills of this living people from being obtained by foreigners.

Huang Han devoted his energy to training troops and opening golden fingers, so that technologies suitable for the emergence of contemporary technological conditions came out in advance.

With the passage of time, the workers who have been subdivided into types of work are becoming more and more standardized, and their actions are becoming more and more skilled, and the work efficiency has naturally been greatly improved, and the product qualification rate has also risen.

At the end of last year, many more blacksmiths were added to the production, and now the monthly output of bird guns has exceeded 500.

In the first month, Huang Han personally came to check the research and development results of the flintlock pistol, and under the guidance of Huang Han, more than a dozen blacksmith masters jointly made more than a dozen sample guns, and they selected three of the most satisfactory works for the owner to comment.

After Huang Han loaded and released, he asked Song Pengfei and Zhao Kun to try their hands, and finally jointly decided on the flintlock pistol system for equipping the "Red Flag Army" bird gun in the future.

In the long and complicated history of flintlock pistols, the Charleville smoothbore gun is a bright gold star, and it is this gun type that Huang Han opened his golden finger to let the master craftsmen develop.

This gun weighs nine catties, is one step long, is more than one meter and a half, and has a caliber of 17.8 millimeters, that is, more than half an inch.

The firing rate of the arquebus smoothbore gun is much higher than that of the flintlock smoothbore gun, and because the flintlock gun has just been finalized, it needs to be further upgraded and improved.

The current production is controlled at about 150 pieces per month, so Huang Han did not eliminate the bird guns for the time being when equipping the troops with flintlock pistols, and was still ready to adopt a mixed and matched military formation to meet the enemy.

The blacksmith leader Shen Cunli took more than 100 blacksmiths rescued from Qingcheng into the "Tiger's Den" City Arsenal, and soon he was promoted because of his good skills and literacy, and now he is now the second person in the development of flintlock pistols.

Huang Han convened more than 20 masters of the arsenal to open a new product research and development meeting, including Yang Laoshi and his son Yang Dazhu, Shen Cunli, and more than a dozen people from the Beijing division digging the wall.

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