Seeing the name on the contract, King Wu was stunned, carefully checked the name and the person again, and looked at Qin Han in front of him in a daze.

"You are Qin Han?"

Qin Han touched his nose, looked at King Wu and said, "If there is no one else in Kyoto, it should be me." ”

King Wu smiled and said, "Xue Li, that old thing said that you are very pleasing to the eye. ”

"Amount"

Qin Han didn't know if this should be his honor, or what should he say.

"Thank you for the love of General Xue."

King Wu shook his head, looked at Qin Han and said, "You are not so polite in his mouth, you slept and was lazy in the first meeting, you are even more arrogant than me." ”

Hearing King Wu's words, Qin Han immediately shut up, this old general Xue couldn't keep his mouth shut. King Wu is the younger brother of Emperor Jin, in case he wants to talk to Emperor Jin, then the matter at the court meeting will become the crime of bullying the king.

"Why are you so fragmented, it's not as arrogant as Old Man Xue said."

Qin Han looked at King Wu, what kind of request is this, and it is the first time to see that the suspect is not arrogant enough. If it weren't for the fact that this person was King Wu, Qin Han really wanted to go up and give him a punch and tell him what arrogance was.

"This, the little nephew thinks he has always been very polite."

King Wu pursed his lips, feeling that Qin Han was very boring, and he didn't want to stay here with the three little children, so he got up and took a straw hat and left.

"Stay and see my flowers."

The business of the winery has been busy, and Qin Han also has a stable source of money in Kyoto, and there is nothing to do, so Qin Han plans to leave with Li Cunxin.

However, Zhao Kuo stopped the two of them, looked at Qin Han and said, "Hey, wait, you haven't shown me yet." ”

Qin Han patted his head and said, "Oh, I'm sorry, Your Highness the Prince, I just forgot, let's get it now." I also ask His Royal Highness the Prince to prepare the things. ”

Hearing that it could start, Zhao Kuo looked excited, rubbed his hands and said, "You said, as long as it's not those things that Kyoto doesn't have, I can get it for you." ”

Qin Han nodded, and then wrote down the materials he needed on the paper.

Zhao Kuo looked at it and said, "It's okay now, although these things have just been burned a lot, but I still have stock, let's go and get it directly, and buy it again when we save it." ”

……

Qin Han asked Zhao Kuo to vacate a dry and remote room, and took all the things that Qin Han needed. With the lesson of the last time, Qin Han directly cut off all the fire sources in the house, and prepared a few buckets of water to put aside.

"Come on, come on, do you think this will work?"

Zhao Kuo ran in from outside the door with a small scale, handed the small scale to Qin Han, and said, "This is what I bought from the pharmacy, and the shopkeeper said that it is quite accurate, compared with those hawkers, there will definitely be no shortage of catties." ”

Qin Han looked at the small scale, it was very exquisitely made, there should be no problem, but Qin Han remembered another thing.

"Inside, there's nothing wrong with the scale, but I don't know how to use it."

"You won't use it?"

Zhao Kuo was stunned, the scale was requested by Qin Han, but he didn't expect him to use it.

"Forget it, I'll find someone to call you."

Immediately, Zhao Kuo looked at the subordinate behind him and said, "Go, invite the shopkeeper of the pharmacy!" Remember to please, stop scaring people. ”

"Yes, Your Highness."

Answered, and the man ran out of the smoke.

After waiting for a while, they saw the subordinate walk in with an old man with a faint smell of Chinese medicine.

"The old man sees His Royal Highness the Prince."

The shopkeeper of the pharmacy was a little excited, and just now the subordinates of King Wu's Mansion came to find him again, saying that His Royal Highness the Prince had something to help him with. This can make the shopkeeper very happy, His Royal Highness the Prince of the World just bought the scale from his own pharmacy, and now he is looking for himself, it seems that His Royal Highness the Prince is very interested in medical skills.

The shopkeeper of the pharmacy seems to have seen the situation of His Royal Highness the Prince of the World tirelessly asking him for medical advice. As the saying goes, a teacher for one day and a father for life, then as a teacher of His Royal Highness the Son, his status must be rising.

"His Royal Highness, what do you need to ask the old man for?"

Zhao Kuo looked at the pharmacy shopkeeper with admiration, this shopkeeper has something, and before he opened his mouth, he already knew what he wanted to do.

"There's something I need from you."

"The old man must do his best..."

Without waiting for the pharmacy shopkeeper to continue, Zhao Kuo pulled him to Qin Han, pointed to the scale in Qin Han's hand, and said, "Come on, come on, you teach him to recognize the scale." ”

"This..."

The shopkeeper of the pharmacy thought he had misheard and asked, "Your Royal Highness, do you mean to let the old man teach him to recognize the scales?" ”

Zhao Kuo nodded.

"Of course, hurry up, there's something going on here."

The shopkeeper of the pharmacy checked his feelings, His Royal Highness the Prince must have wanted this assistant to understand the scales first, and then let him assist from the side, it must be like this

With the teaching of the pharmacy shopkeeper, the scale, which was not difficult to identify, Qin Han learned it in the shopkeeper's words.

Qin Han nodded at Zhao Kuo and said, "It's okay." ”

Zhao Kuo also nodded, pointed to the pharmacy shopkeeper, and said to his subordinates: "Send him back." ”

"Send it back?"

The pharmacy shopkeeper was stunned for a moment, what about advice? What about apprenticeship?

"Yes, Your Highness!"

The pharmacy shopkeeper with a confused face was directly pulled out.

…

Li Cunxin was not interested in these, and he was afraid of being bombed, so he went out and waited, and there were only two people left in the house, Qin Han and Zhao Kuo.

As a student of the Department of History, Qin Han remembers that when he was studying ancient science and technology, he deliberately checked that the ratio of saltpeter, sulfur, and charcoal in the Ming and Qing dynasties basically changed in eight, one, and one, and only in modern times did there be a more accurate standard, seventy-five, ten, and fifteen.

Black powder is a bit complicated to make, it needs to be filtered, mashed, mixed, then stirred with shochu, stirred after stirring, and dried before checking the results.

Qin Han and Zhao Kuo were busy rolling the three middle things inside, and they didn't let Li Cunxin be idle. Now the alcohol content is a little lower, Qin Han asked Li Cunxin to distill and purify.

When Li Cunxin came over with a small bottle of distilled liquor, the three of them began the long production again.

…

In the courtyard, Qin Han and Li Cunxin sat opposite each other, eating fruit leisurely.

Zhao Kuo was in the open space on the side, and from time to time there were two stabbing sounds.

"Qin Han, you're a good lead."

Qin Han smiled.

"Your Highness, take it easy, we don't have saltpeter, if we order it, we won't have it for a while."

"Don't worry, let's go and see if the gunpowder is dry."

Qin Han looked at the sky, it should be about the same. So he took the white paper, took a small point and put it on it. Ignited with fire, it burned out at once, and there were no black spots left on the paper.

"Hehe, it's done!"