Chapter 57: Making Glass
Leisurely time passed quickly, and people quickly went into a busy state again.
According to the plan, the first thing is to form a team, repair a history book, sort out the history of the previous dynasty, and from now on appoint historians, compile history, and order historians to write history, others including the king shall not interfere with the modification, every sentence written in the history book, three historians need to jointly confirm and pass before it can be officially recorded, and the remaining people collect information from all over the country to compile the history of the previous dynasty, which can probably be understood as publicly-funded tourism.
Then there is the geographical surveying and mapping plan, the goal is to create a map of the Cham, requiring the terrain to be depicted, and the maps of various towns should also be drawn, if you can measure the height of the Changshan Mountain by the way, the future compilation of the Cham geography book is also an important basis, just to join the team that writes the history of the Champa, geography and history are complementary to each other, in fact, it is to save some money.
The Khmer plan for a foreign visit must not forget that some of the country's officials happen to be from the Khmer, so it is only fitting for them to lead a team on this trip.
On February 30, the 23rd year, the number of students who took the entrance examination last year was 200,000, and the final number of admitted students was only 10,000, and the acceptance rate was only 5%, which is really too low, if you want to expand the enrollment, or expand the campus, because 10,000 people are already his upper limit, if it is not for the house style of the school in later generations, it may not be able to bear 10,000 people. Everyone felt that it was very novel, and under the final confirmation, it was still the opinion of using the system of Pengqiao.
Building buildings must not be made of wooden materials, making Pengqiao means that the use of bricks and then cement construction is more reliable, so the service life is still long, bricks have been used as early as the Spring and Autumn Period and the Warring States Period, the craftsmen of Cham will also burn bricks, before the control of coastal defense, basically the clay is imported from some indigenous countries, and then processed in the country, they do not know that clay can be fired into bricks, take advantage of this information to save money. No way, if you buy bricks alone, the cost will be much higher.
Modern cement was invented by the British in the 18th century, and was introduced to China in the 19th century. Cement technology is not a difficult thing, there are no technical problems, of course, the confidential technology must also be done well, good quality cement is definitely more valuable, but also more market competitiveness, or to prevent disasters before they happen.
Since the beginning of cement production, it has not been exported to foreign countries, and the domestic supply has exceeded the demand, not to mention export, this year, the company plans to invest in the construction of a brick yard and a cement yard in Hai Phong, and the cement will be given priority to repair the city wall and pave the road.
At this meeting, everyone had different opinions on expanding the enrollment, and he said, "Since everyone has such a big difference, why don't we build a few more universities." ”
Everyone agreed, and no one did make any doubts about the location, to build a second university in Vijaya, how can the capital say that there should always be a university, and now it is true that Panduranga has the first university, everyone is naturally surprised. As for the third one, it was to build a third university in Thang Long City, and in fact, there had been a plan to build a university in Thang Long City, but it was forgotten after a long time.
At present, the palace of the Tran Dynasty in Thang Long City has been transformed into a museum, as long as you pay the entrance fee, anyone can go in and visit, but it is still under construction, and there is one of the biggest problems at present is that what to use to protect these treasures, it is naturally glass, transparent glass can not only protect the cultural relics, but also allow people to appreciate their beauty.
After the state affairs were arranged, he was idle and prepared to try to fire glass, and he rented a kiln to let people dig up sand, and he was going to fire glass in the kiln.
The craftsmen couldn't help but be stunned when they saw that the Pengyu was preparing to burn sand, Your Majesty came here to burn sand?
"Let's start." ”
The craftsmen began to put in the firewood and began to burn the paper.
……
"Still not good?" He shook his head, but the sand still hadn't turned into glass.
"Can I still add more temperature?"
"Your Majesty, no, if you add more temperature, I'm afraid this kiln will be burned out."
It was a little difficult to make Pengyu, but he suddenly remembered that it should be possible to use potassium carbonate to reduce silica, and natural potassium carbonate should not be found, so it can only be purified, so he asked the craftsmen to collect a large amount of wood after burning ashes.
"What is Your Majesty collecting all this ash for?" They were confused and didn't understand what they were doing.
"I don't understand."
"Ditto."
When he heard their discussion, he smiled and said, "I'm making glass." ”
"Your Majesty." They were shocked, broken, and discovered. They saluted.
Someone asked curiously: "Your Majesty, can sand still be made into glass?" ”
"Yes, this is the recipe I found from an ancient book."
"Your Majesty is really knowledgeable." They praised.
"Alright, give me a hand." Pengqiao Road. The pots and buckets were bought, and they were asked to pour all the ashes into the buckets, soak them in cold water for a while, and then use a strainer to filter through several rounds, pour all the remaining water into the pot, make a fire and boil them dry, and the water was boiled dry little by little.
"Ah, you see, there's a little particle."
"What's that?" Someone questioned.
Eventually, the water is boiled dry, leaving only some white powder.
"It turned out to be white powder." Everyone wiped their eyes and made sure they were not mistaken, and said, "How does this black water burn out white powder?" "People think it's wrong, but the truth is right now.
They want their majesty to tell them why.
"This is an ingredient contained in plant ash, the content is less, and the other contents are black, and the more black components are naturally black." He explained indiscriminately.
They nodded and asked, "What will Your Majesty do next?" ”
"Pack up the ashes and come with me."
"You've already bought lime powder, right?" He asked the person next to him.
"Bought it."
"Okay."
The people came to the kiln again, sprinkled white powder on the sand, and then poured lime powder, and then started a new round of firing, where the quicklime mainly made it insoluble in water.
"What is this?"
He nodded with satisfaction, and it was finally a success.
The glass solution is taken out and allowed to cool naturally, eventually turning into a solid that is very dirty on the outside
"That's amazing, isn't it?" Everyone was shocked, the sand actually made a hard solid, is this glass? It's not like that.
The canopy is slightly polished, and it becomes transparent.