Taking the two Xia sisters to a separate factory, several workers have already begun to light the stove and add coal. A worker sits on a stool and pulls the bellows to make the fire stronger. Fang Xiaoyu walked into the factory and nodded to the workers led by him, "Master Wang, are you ready?" That Master Wang replied with a smile: "Young Master, everything is ready, and it is all according to your orders." Fang Xiaoyu nodded, walked to the stove, and asked people to put a large crucible on the coal fire with long tongs. The blue flames licked the crucible, emitting bursts of scorching heat, and Fang Xiaoyu, who was sweating, took off his coat casually and ordered the workers to pour all the crushed quartz sand into the crucible first. The scorching flames soon began to melt the quartz sand, and after a short time, the quartz sand had turned into a fiery red liquid. According to the production process given by Xiaofeng, Fang Xiaoyu put several auxiliary materials into the crucible in turn, and the impurities in the quartz were successively ablated or precipitated, and the liquid glass began to become clear.

Because the factory building is fully enclosed, and the heat of the coal furnace is particularly high, there is a burning feeling in the factory, and the Xia sisters have also taken off their heavy coats one after another, and Xia Tingyun even rolled up the sleeves of her dress. Seeing that the quartz sand began to turn into a clear liquid, both of them looked at Fang Xiaoyu in surprise, who was concentrating on commanding. Looking at Fang Xiaoyu's focused expression, Xia Tingwei's heartstrings were plucked again. She quickly lowered her head to hide her slightly hot cheeks, in fact, she didn't know that because everyone was close to the coal stove, everyone's faces were now flushed, and there was no need to hide it at all.

Seeing that the molten glass was almost done, Fang Xiaoyu ordered someone to take down the crucible with long tongs. Firing glass needs to be at a specific temperature, and when the temperature of the crucible decreases slightly, Fang Xiaoyu began to make glass. Xiaofeng only gave Fang Xiaoyu a relatively primitive handmade method, even so, there are many ways to make glass, and he plans to try them all. First, he asked a worker to pick up a ball of glass with a clay pipe, carefully put it into the mold, and blow as he turned. Another worker picks up a ball of glass from liquid glass with a clay stick and cuts it off with scissors so that it falls into a dented mold. The mold had four grooves, and the worker repeated it four times, filling each groove and covering it with a mold with four protrusions, waiting for him to cool slowly. There are also two workers cooperating, using two pottery pipes to pick up a large ball of liquid glass to cooperate with each other, slowly stretching, because these workers are operating for the first time, the movements are not very skilled, Fang Xiaoyu is the loud commander on the side. In particular, the method of cooperation between the two workers, after several failures, they finally stretched the liquid glass completely, placed it on a large pottery plate, and then carefully spread it with a pottery pipe, while the glass was still cool, spread it as far as possible, and spread it on the pottery plate.

The glass slowly cooled, slowly turning from fiery red to pure and colorless, and the glass made by the other two methods was in the mold and could not be seen. So only the glass tiled on the clay plate attracts everyone's attention. When the glass finally cooled to room temperature, Fang Xiaoyu instructed the workers to slowly remove the glass from the pottery slab. A pure glass plate is presented in front of everyone. Everyone present looked at the completely transparent glass in amazement, Xia Tingyun naughtily stepped forward and touched it and exclaimed, "Sister, this thing is so slippery." Xia Tingwei also looked at this beautiful glass and was speechless in surprise.

Fang Xiaoyu stepped forward and said, "It's not finished yet, we have to wait a while." With that, he took out a large diamond ring, and carefully scratched the glass with the diamonds on the ring, and the glass was quickly divided into two more regular rectangles. Fang Xiaoyu whispered a few words in a worker's ear, and the worker nodded, picked up two pieces of glass and left.

The two sisters of the Xia family watched intently as the beautiful glass disappeared at the door before they came back to their senses. Xia Tingyun asked anxiously: "Big stupid melon, what's the name of that thing." Fang Xiaoyu smiled and said: "I won't answer you, you are called a big fool, if I tell you, won't I admit it myself?" Xia Tingyun pouted angrily, her cute look and her little red face roasted by the fire made Fang Xiaoyu feel a rush of lust, and he hurried not to overdo it so as not to be ugly. When he turned his head, he happened to see Xia Tingwei, because it was too hot in the room, she had already taken off her coat, and was only wearing a thin dress at this time, the beautiful figure that had begun to develop, with the same red and cute face, made Fang Xiaoyu feel that the heat was beginning to move from the nostrils to the lower part of the body, and he quickly raised his head to prevent the nosebleed.

The Xia family sisters looked at Fang Xiaoyu who raised their heads in surprise, not knowing what he was doing. Seeing Xia Tingyun's expression that she was ready to go berserk, Xia Tingwei hurriedly stepped forward and asked for her, "Young Master Fang, I don't know what this transparent thing is called." Fang Xiaoyu had stabilized his mood, and he smiled slightly: "Don't call me my son, it's not the first time we've met, just call me Xiaoyu." He took the mold used by the first worker to blow and said, "This thing is called glass, it is my latest invention, and it was produced on the first day today." After speaking, he carefully separated the mold, took out the glass bottle in it, and said while flipping through it: "This wine bottle is not bad, the texture is relatively uniform, there are not many bubbles, it seems that it can be used." Xia Tingwei's eyes widened and said, "You plan to use such a valuable thing to hold wine?" ”

"Is it precious?" In Fang Xiaoyu's impression, glass bottles are the most common wine bottles, this kind of ordinary glass is not as valuable, but after thinking about it, he understands that the so-called rare is expensive, in the world without glass, perhaps glass is more valuable than gold, which is also for what early European colonists could exchange glass balls and African chieftains for gold, diamonds, and even black slaves. Fang Xiaoyu shook the glass bottle awkwardly and said, "Then let's not take him to fill the wine first." However, I still think that it is best to use glass bottles. ”

Putting down the glass bottle, Fang Xiaoyu walked to another long mold, which was the second glass making method that the workers experimented. Fang Xiaoyu carefully picked up the punch, and there were four glasses lying side by side in the mold, although it was only the simplest round glass, and there were no patterns on it, but according to Fang Xiaoyu's eyes, the craftsmanship was still good, at least the thickness of the four walls of the glass was not much different, and it was practical.

At this time, the Xia family sisters also came over, each carefully picked up a glass, looked at it carefully, and couldn't put it down. After looking at it for a while, Xia Tingyun took the glass, leaned over to Fang Xiaoyu's side and said softly, "Brother Xiaoyu." Fang Xiaoyu heard a stirring spirit and said: "Wow, why did your mood change so much, just now you were shouting a big fool, and after a while, you will become Brother Xiaoyu." My heart can't bear such a big upheaval or not. ”

Xia Tingwei also walked over and gave him a blank look and said, "Okay, don't make trouble." Fang Xiaoyu smiled: "I know what you want to say, these two glasses will be given to you." "Oh, Brother Xie Xiaoyu, I won't call you a fool again." Xia Tingyun jumped up happily. Fang Xiaoyu hurriedly grabbed the glass in her hand and said, "Be careful, the glass is similar to the porcelain cup, it is easy to break." ”

At this moment, the worker who had just taken away the glass plate returned, still holding two wooden frames in his hands. The worker sent the two wooden frames to Fang Xiaoyu and said, "Young Master, it has been done according to your instructions." The Xia family sisters turned their heads and found that in the two wooden frames, there was a silver light. When Fang Xiaoyu put the wooden frame in front of them, the beautiful faces of the sisters were immediately reflected in it, and it turned out that Fang Xiaoyu asked them to make two mirrors. At the current level, whether it is chemical silver plating or electrolytic silver plating, it is not something that Fang Xiaoyu can use, so Fang Xiaoyu simply made the simplest, directly pasting silver foil behind the glass, and then fixing it with a wooden frame, although the effect is not as good as silver plating, but it is much better than the copper mirror widely used today.

So when the faces of the Xia sisters were reflected in the mirror, both of them let out an exclamation. Fang Xiaoyu smiled: "Do you like it?" This is for you. "Give it to us?" Xia Tingyun cheered and took a mirror. Xia Tingwei was stunned when she heard Fang Xiaoyu's words, she thought that it was already very good for her to get a glass, but she didn't expect Fang Xiaoyu to give her a glass mirror again, this gift is really precious. Xia Tingyun is Fang Xiaoyu's fiancée who is about to get married, and it is naturally normal to give her a mirror, but he and Fang Xiaoyu have only met twice, but he gave himself the same gift as his sister, does he want to marry the two of us together.