Li Shimin had no objection to Li Xuan's request for two craftsmen and some supplies for blacksmithing.
Anyway, that is his own Zhuangzi. If that master can really create something good, it will not all be in his hands.
Cheng Chusi and the others collected materials such as coal, iron ore, and sand very quickly.
In less than a few days, a brand new forging workshop was built in an open space not far from Li Xuan's courtyard.
It consists of a forging room covering an area of half an acre and several slightly smaller warehouses.
After the stoves and forging furnaces were installed, Li Xuan had a hasty one-hour class every morning, and then took the two craftsmen who were transferred from the general supervisor by Li Shimin into the forging workshop and started busy.
Busily.
After all, although Li Xuan knew what raw materials were needed to burn paper glass, he had never fired it before, and he didn't know the specific firing method.
I can only drag the two craftsmen and bake them in front of the stove according to the imaginary recipe, changing the recipe every day.
On the first day, the two craftsmen followed the famous master very actively, and they were so passionate that they did whatever Li Xuan said.
The next day, the two craftsmen were still very active.
The next day, the passion began to fade a little, and I began to wonder, was this strange lady really fooling around?
On the fourth day, I started to feel a little negative.
The fifth day, the sixth day...the two craftsmen became more and more negative. If Li Chengqian and Cheng Chusi weren't watching, they would have given up their stall long ago.
Even Cheng Chusi and the others did not follow Li Xuan into the forging room every day.
On the twentieth day, when Li Xuan began to doubt his formula, a small pool of crystal clear fiery red solution finally appeared in the forging furnace.
After cooling, it solidified into a small piece, yellow and black, with some gray stones, but Li Xuan was full of surprises.
As for the two craftsmen on the side, Ying Qi and Wu Fu, their faces were full of excitement.
"Master, this is colored glaze. It's really made of colored glaze!"
Although, as early as when they arrived, they had been told that the master wanted them to make colored glaze.
Finally, after twenty days of firing and more than forty attempts, the colored glaze was finally fired. The surprise in their hearts was something no one could have imagined.
"Two craftsmen, you two still remember the ingredients for this firing!"
On the side, after calming down a little, Li Xuan handed the translucent glass block in his hand to Ying Qi and Wu Fu.
It was definitely colored glaze. During the firing process, Li Xuan ordered Cheng Chusi to buy a small colored glaze bowl. The transparency of the small colored glaze bowl was the same as that of the colored glaze stone in his hand.
of translucency.
"Master, I will remember it!"
"So, let's continue to bake it according to these ingredients. This piece of colored glaze is on the same level as the colored glaze sold by the barbarians, but it still doesn't meet my requirements!"
Li Xuan said, while Ying Qi and Wu Fu nodded repeatedly.
When the piece of colored glaze in their hands was born, they immediately became Li Xuan's die-hard fans.
This young master is indeed well-deserved and is a strange person of his generation.
It was actually possible to make colored glaze within twenty days. You must know that before, the craftsmen who would serve as supervisors and even weapons supervisors had naturally tried to make colored glaze.
However, they all returned in vain, and some Hu merchants deliberately concealed it, so it spread among the craftsmen that firing glaze required a sacred stone that they only had in Persia.
Unexpectedly, they don't need any sacred stone now, they can just make colored glaze.
Li Xuan didn't know about this.
Now, he is racking his brains and thinking hard about how to improve the transparency of the glass and turn it into real glass.
…
Without any surprise, the glazed stone that had just been fired in the afternoon appeared in the hands of Li Shimin in the Tai Chi Palace in the evening.
"Is this glass block really made by that master?"
"Your Majesty, I dare you to guarantee this with your life. This thing was made by the two of me under the command of the young master!"
Your Highness, the man who is bowing and looking excited is none other than Ying Qi, the craftsman in Liu Xuan's forge.
"very good!"
After playing with it for a long time, Li Shimin returned the glass block in his hand to Ying Qi.
"You should know the formula of this thing, and you should also know the value of this thing!"
"Your Majesty, the common people will definitely not tell anyone about this matter!"
Ying Qi's eyes flashed with excitement and he quickly replied.
"Um!"
Li Shimin nodded with satisfaction and said: "I will remember this skill for you first. When the master is satisfied with the fired glaze, I will reward you and the two of you."
"Thank you, Your Majesty!"
Ying Qi was overjoyed.
Immediately, he took the piece of colored glass back to Lijiazhuang that night.
After returning home, he followed the master again and began to study and bake repeatedly.
As a result, Ying Qi's trips to the palace at night became more and more frequent.
Finally, a few days later, Li Xuan, who looked haggard, held up a piece of crystal clear glass in his hand and announced to Ying Qi and Wu Fu, who were also beaming with joy.
"I'm so exhausted, I finally made the glass!"
"Glass?"
Although Ying Qi and Wu Fu were both shocked.
However, I was even more curious about the glass Li Xuan mentioned.
"This object is more transparent than colored glaze and has no color inside, so it can be called glass!" Li Xuan said.
"Congratulations, Master, you're done!"
"Master, this magical object is called glass, but is it for that vegetable patch?"
Li Chengqian and Li Chongyi, who had been following Li Xuan in the forging room all day, guarding the forging furnace and forging non-stop, breathed a sigh of relief when they saw that Li Xuan was finally satisfied.
Immediately, I was overjoyed.
Although they are a bit dandy, they are not fools.
They have not forgotten the reason why this forge was built.
"Exactly!"
Li Xuan nodded lightly.
Immediately, he turned to Ying Qi and Wu Fu and said, "Two craftsmen, please ask two more to forge an iron pillar three feet long and one inch wide, and leave a strip in the middle to connect it."
The groove into which the glass is inserted is about one finger wide. In addition, there are also such grooves left on both sides of the iron pillars.
Then, a finger-thick glass is fired, and the length and width must be three feet long..."
"May I ask Master, what is the purpose of firing this iron pillar?"
After hearing this, Ying Qi and Wu Fu asked quickly.
Although they all already knew that His Majesty would not have any restrictions on this young master. However, when it came to forging iron tools, they still did not dare to be negligent in the slightest.
Even though His Highness the Crown Prince is by his side.
"I want to use those iron pillars to install the glass."
Li Xuan replied.
"Glass installation?"
After hearing this, Ying Qi and Wu Fu were stunned for a moment, then they both remembered what Li Xuan had just said and nodded repeatedly.