Chapter 260: Crossing Essentials - Making Glass (4)

"Dream of Yesterday: The glass burned by its practical sand will actually have some ionic impurities, some of which contain iron ions and the like, and the color will be deviated, so it may not be washed off with strong acid or strong acid, and the previous method seems to be to add manganese dioxide. 》

When the people of the various dynasties saw the comments on the canopy, they looked at the glass products in their hands.

Although the glass products in their hands are a little different in color as stated on the canopy, in their opinion, they are already the best of the best.

However, it is the best of this kind of fine products, in the eyes of later generations, it is still a defective product, which makes them unable to imagine how exquisite the glass products of later generations are?

Some people didn't believe what was said on the canopy, they didn't believe that the glass in the back was even more exquisite.

In their opinion, this world is only afraid that only crystal can be so pure, and glass products cannot meet the requirements of crystal.

In order to prove that the comments on the tenmu were fake, they carried out various pickling washes on the quartz sand, the raw material for making glass, according to the tenmu above, before they began refining the glass.

And the finished product, as said in the canopy, is much purer than before.

Just look at the comments on the canopy, this is not the best, the best way is to add manganese dioxide.

But the people of this dynasty were confused about what manganese dioxide was, and they could only experiment again and again, hoping that they could find such a substance.

"Fear of insufficient force: In ancient times, to make glass, we must pay attention to the dynasty, the Song Dynasty could make it before, and the production was 100% profitable, but after the Song Dynasty, you have to look at the face, after all, glass was not a strange thing at that time. 》

"Northern Scenery: After the Song Dynasty, it was fine, and the glass of the Ming Dynasty that communicated between the East and the West did not have this kind of transmittance. 》

The people after the Song Dynasty looked at the comments on the canopy, and they laughed.

If it had been in the past, their glass at this time was not as rare as before, but it was still a valuable item.

And now that the video of making glass has appeared in the canopy, I'm afraid that this glass is no longer a rare species.

As for the light transmittance of the glass, the canopy has already taught them all, what else can be said?

I'm afraid that the time-traveler will travel to their time, even if they fly to make glass, I'm afraid they won't be able to make any money.

However, they still hope that there will be a time-traveler who can travel to their time, which can lead them to make more things.

"Sunshine Little White Horse: [Secretly observing] That's not easy to say, pre-Qin... The sword of Goujian in the country of Yue... Glass-encrusted [Covert observation]. 》

Spring and Autumn Period and Warring States Period.

Gou Jian, the lord of Zhao State, frowned when he saw the video on the canopy, and his heart was full of a bad premonition.

If he had seen the video on the canopy before, and saw the tomb of Qin Shi Huang being dug up, he would have only gloated in his heart.

So now when he saw the glass inlaid with his own accessories sword on the canopy, he only felt that the people of later generations did not know at all and were afraid of his ancestor.

It was an accessory he carried with him, and even if he died, he should have accompanied him in the tomb, how could it be known to the people of later generations?

It must have been that his tomb was also dug up, so that the people of later generations knew so clearly that he had glasswork on his sword.

He felt that he needed to find another tomb to prevent the descendants from doing that unfilial thing.

He then sent a large number of warlocks to find new mausoleums for him in the territory of the state of Chu.

And he also made a request for the location of the mausoleum, and the request must be in a remote place, but he was very afraid that those unfilial descendants of later generations would dig his mausoleum at every turn!

"Love in the Ming Dynasty: In fact, you should think about how to make it into a glass mirror, after all, such a clearly visible delicacy must be in demand in ancient times, so the question is, how to make it into a glass mirror [thinking]? 》

Snowflakes Fluttering: Yes, not only can you make glass mirrors, but you can also make binoculars, reading glasses, and other items.

If I travel back in time, the glass made must first build a greenhouse, after all, I can't eat fresh vegetables in winter, and the days when I only eat radishes and cabbage are too uncomfortable. 》

When the people of various dynasties saw the comments on the canopy, they never imagined that this glass could be made into such a thing.

It's just that they are more disappointed that the canopy does not tell how to make the glass mirror.

Although the bronze mirror was also clearly visible at this time, the portrait that could be created was brass after all.

And if there is really a mirror as mentioned on the canopy, I am afraid that it will be robbed crazy.

This makes many businessmen impatient, and they hope that it can be broadcast on the canopy, how to know the method of glass mirror?

At the same time, they also wanted to know, how to make reading glasses and telescopes?

After all, these two things are very useful when you hear the name.

When people reach old age, it is normal for their eyes to be presbyopia, but how to treat them is a headache for those doctors.

However, looking at the canopy, it was said that they could be cured by wearing such a mirror, which was simply unexpected.

And the telescope is better understood, which is to pull the distant scenery into front of you.

If they had possessed such an item in their time, they would have an advantage in marching and fighting, and they would surely be able to win every battle.

However, seeing that glass can be used to make greenhouses, the people of various dynasties thought about it for a while and found that it was really possible.

The greenhouse made of this glass is like building a transparent house for those dealers.

Not only can the dealer grow normally, but it can also increase the temperature in the house.

And when it is particularly cold, you can also provide ondol heating for those dealers, so that they can eat food in the cold winter.

Thinking of this, some people began to take action, after all, this is also a good way to make money.

It's just that the only headache for them is that the cost of such a greenhouse is too high, and I am afraid that the price of vegetables will be extremely high, and I don't know if anyone will buy it.

So they went to the vegetable market and talked with the butlers of the high-ranking officials.

Finding that the kitchens of those high-ranking officials really had such needs, they relaxed and began to act.

So in various dynasties, one greenhouse after another was built, and it was also planted with all kinds of vegetables, so that the winter that was originally lacking green had a lot of green vegetables.

And the emperors of the various dynasties saw what was said in the canopy, and they directly ordered the craftsmen to conduct experiments.

Whether it's the mirror, reading glasses or binoculars, it's all they need.

The mirror was what their concubine wanted, but the reading glasses were needed by the old ministers in the court.

The telescope can give them a head start in the war, and the glass-made greenhouse can give them an extra bite of vegetables in the winter.

They can imagine how happy they will be in this cold winter to be able to eat vegetables that can only be eaten in other seasons.

In order to achieve this goal, they had to build several greenhouses.

So the emperors of the various dynasties issued orders for the craftsmen to make more glass and for them to build a few greenhouses.

Some people even thought that the glass could inspire those window papers, and they quickly replaced them.

At the same time, it also made them feel more that the sealed house with the warmth brought by the fire kang was brought more.

Happy New Year's Day to all!

I hope that all your wishes will come true in the new year and you will be able to fulfill your dreams!

(End of chapter)