In the end, Lao Wei Zheng still didn't get the paper full of words, so he could only reluctantly write the title and inscription on another piece of paper, shook his head and sighed and left the 'Lanruo Temple', and swore that he would never come to this 'ghost' place again in the future.

Only Wu Dexin! Only Wu Dexin! After coming out of the 'Lanruo Temple', Lao Wei has been chanting these four words, making the old servants who follow him think that his master is not a demon.

Weiwu Dexin, what a good four words, used on a guy who will be repaid, it is simply blind. And judging from Li Chengqian's behavior today, it is particularly good that there is no lack of 'virtue', and what kind of virtue is there to talk about, isn't this nonsense!

However, what Lao Wei thinks of Li Chengqian doesn't care anymore, since he extended the "Burrow Inscription" written by Lao Wei himself on the stone plaque, his East Palace has immediately become a lot cleaner, and the sound of impeachment in the court has disappeared immediately.

But the disadvantage is that he was called to the Manna Hall by the old man for a good meal, and after being sprayed with a dog's blood, he was able to escape under the persuasion of his mother.

However, Li Chengqian believes that this stinky training is entirely due to Lao Li's shame.

In the Tang royal family, Li Tai, Li Ke and others are not counted, even some of the royal concubines who have just been born are particularly better than the environment they live in, and they pity themselves for still swaggering around in the name of the prince of the Tang Dynasty, which is really embarrassing for the royal family.

But there is no way, the old man doesn't allocate funds, so he can't pay for it himself, right?

In the future, Li Er is the head of the household, the Taiji Palace is completely in his name, the house is broken, of course it is the head of the household to repair it, there is no reason to let an underage child pay for the repair of the house, right?

Therefore, Li Chengqian will never pay for the repair of the 'Lanruo Temple' at his own expense, as long as the house does not collapse, he will always insist.

Time passed little by little, and the glass greenhouse that had been framed soon attracted the attention of Changle and a few other little girls, from time to time, the little girls would get together to guess what the prince's brother was tinkering with, but with their knowledge, if they wanted to guess the result, they were afraid that they would not be able to guess it for another thousand years.

Half a month later, before the first frost fell, the glass greenhouse that Li Chengqian needed was finally completed as scheduled. Standing in the greenhouse, feeling the temperature completely different from the outside, Li Chengqian nodded with satisfaction, a wicked smile pulled at the corner of his mouth, and those who are familiar with him will know that this kid must be playing some bad idea at this time.

The planting of spinach, courgettes (cucumbers), leeks, cowpeas, and eggplants will be in charge of the natural person, and Li Chengqian only tells them when they need to roll up the curtains on the glass greenhouse, and when they will let go of it and stop caring about it.

Anyway, as long as this thing can maintain the temperature in the greenhouse, it is no different from normal farming in other aspects, and those guys who often farm at home are fully qualified for this job.

As for the little girls in Changle, after the weather was cold, they all hid back in their nests, and no longer came out to run wildly, and things like glass greenhouses had long been frozen into the depths of their minds by the colder and colder weather, and they were no longer remembered.

And after this series of things were done, Li Chengqian started another job of his own - brushing silver powder on those transparent glasses with bubbles.

First of all, he sent the Night Charm to the porcelain repairers, because he needed to cut out the bubbles from the large glass with bubbles, and the porcelain repairers had a tool for cutting glass, the diamond.

Next, he needed to use the chemistry he had learned in later life to figure out something like silver nitrate.

This was a very dangerous job, so he carried out the preparation work for half a month.

Masks with toner canisters, clear crystal glasses to protect the eyes, thickened cowhide gloves, a series of safety protection items, and dozens of variegated glass jars that Adam improvised to fire.

In order to save space, the production process of these things will not be repeated here, in short, after preparing the things, Li Chengqian drove everyone away from his side, and entered a room ventilated on all sides with the tragedy of the strong man who would never return.

During this time, Night Charm expressed concern for his safety, but was denied by Li Chengqian.

Ten grams of silver nitrate is enough for an adult to cause his death, and if any assassin is not afraid of death and dares to assassinate at this time, then come on, the monster of science will teach him how to be a human again in minutes.

Sodium nitrate is the easiest to prepare, as long as the saltpeter containing sodium is dissolved in water and then refined into crystals.

It is difficult to prepare concentrated sulfuric acid, but there is no problem in preparing a small amount of using some existing simple equipment, this thing can actually be bought from some Taoist priests in Datang alchemy, but considering that the purity is not enough, Li Chengqian will prepare it himself.

The next step is to synthesize the two substances to prepare nitric acid......

These things are not a problem for Li Chengqian, who graduated from the Department of Chemistry, the only thing to worry about is protective measures, gloves made of cowhide basically do not have much effect on these extremely corrosive chemicals, so he must be extra careful.

It took ten days for Li Chengqian to prepare all the raw materials for the mirror silver, including silver nitrate, alcohol, sodium hydroxide, ammonia, potassium sodium tartrate, and so on.

From the beginning of the preparations, to now all the preparations are ready, a full month has passed, Li Chengqian's whole person has lost weight, the original round little face has now become long, although he looks very energetic, but his eyes are full of tiredness.

Things are too simple, and every preparation work is a test of life and death, but a thick test record that has been written makes him have infinite satisfaction in his eyes.

Li Chengqian took a huge risk, in fact, it was not just to make a mirror, the reason why he did all this was just to make some trouble for the old man.

The production of mirrors can be made more simply, and it can be solved with a piece of tin foil and mercury, but the mirror made in that way is too ugly, and the reflection effect is not obvious, so Li Chengqian simply started the current mirror-making process, intending to completely scare the old man.

The things were ready, and after resting for two days in the big 'Lanruo Temple', Li Chengqian put the finishing touches on a few pieces of palm-sized glass that had been cut.

In almost a short period of time, a few small mirrors have been processed, and compared to the preparation at the beginning, this time the production is simply not too simple.

Carefully picked up a small mirror, turned it upside down, and Li Chengqian, who had been in Datang for five years, saw his face clearly for the first time.

In one word, it is handsome! Staring at himself in the mirror for a long time, Li Chengqian looked at the faces in the mirror like a crown of jade, his nose was like a gall, and his eyes were like cold stars...... The little boy let out a sigh.

(End of chapter)