The celebration banquet began after dark. At the beginning, it was naturally all kinds of compliments and praises. Then, it was time to taste good wine and dishes and enjoy the wonderful singing and dancing. It was the same every banquet. There was nothing new to speak of.
After the atmosphere warmed up, the topic began to revolve around the telephone. It seemed that these ministers had no other interests but the telephone. They were especially interested in the principle of telephony. Naturally, this could not be separated from Ang Lee's explanation. Except for Ang Lee, no one could explain clearly how sound could be transmitted so far away in an instant. Moreover, it could be heard very clearly.
Even though Li An was very reluctant, he couldn't resist everyone's persuasion. He more or less had to explain it. Although this kind of explanation made him very tired, it couldn't be helped. After all, he was the one who developed this thing. If he did not explain things clearly, it was obviously difficult to get the understanding of the ministers.
"Haha! Minister Li, you should say it! You don't have to say too much. Just let them understand generally. At least give them a general idea. "
The Emperor said with a smile.
Ang Lee could not resist the persuasion of the Emperor and the ministers. He had to stand up and show his incompetence.
"Since Your Majesty and my colleagues want to know the secret of telephony so much, then I will show my incompetence. Haha!"
Ang Lee smiled and continued, "Many of you have been generals. You should know a secret. When marching in the wild, if you see yellow sand in the distance, but you don't know whether it is the wind or the enemy's attack, then you will ask the soldiers to dismount and put their ears to the ground. If you can hear the sound of horse hooves, then it is the enemy's attack. But why do you have to put your ears to the ground to hear the sound of horse hooves in the distance? This is because sound is much stronger on the ground than in the air. You can't hear anything on the horse, but you can hear it by putting your ears to the ground, right?"
After saying that, he looked at the crowd.
No matter if they had been a general or not, they all understood this logic. Therefore, everyone nodded in agreement and approved of this matter.
Ang Lee continued, "The sound transmission on the ground is faster and more accurate, but the sound transmission on the copper wire is better than the ground. If a copper road is laid between the enemy and our army, then the sound will be more real. Haha! Therefore, it is more reliable to use copper wire to transmit sound. Generally, sound is transmitted in all directions and can be heard anywhere. The sound dissipates faster. The telephone combines several kinds of sound energy into one line, and only the other end of the phone can hear it. The sound energy is more concentrated, and the transmission is naturally better and more accurate. Finally, the sound transmission effect of the telephone wire with electricity is more powerful. It is at least tens of thousands of times better than the copper wire without electricity. In this way, it can achieve a good sound transmission effect. However, if the voice can be transmitted clearly, then it will take a lot of effort. It is really a long story. Otherwise, it would not have been studied for so long. "
After saying that, Ang Lee looked at the crowd. Some of what he said was true, and some of it was deliberately boasting. After all, some of the situations were really difficult to explain. These guys had no scientific knowledge. Explaining the real scientific principles to them would give them a headache. It was better to boast a little so that they could understand the general idea.
Although Ang Lee was talking nonsense, these ministers felt that it was very reasonable. They could even draw inferences about other things. For example, in addition to pressing their ears to the ground to listen to the sound of horse hooves in the distance, they could also put their ears to the wall to listen to the conversation in the opposite room. This was the so-called "walls have ears". There were also examples of using bamboo tubes to transmit sound. They carefully thought about the practical examples in life, and then considered the principles that Ang Lee said. They understood what was going on. Although they could only understand the general idea, it was enough to explain the problem.
"Assistant Minister Li is using the skills he discovered in his daily life to the extreme!"
"This invention is beneficial to the country and the people. It is really a great thing!"
"It is said that these are all strange skills, but it is really beneficial to the country and the people! The Tang dynasty needs these things! "
"Since the establishment of the R&D Center, too many practical and good things have been invented. Especially the sound transmission machine in front of us. It is really useful. It is a good thing that the Tang dynasty urgently needs!"
"By the way, when we have this machine in the future, we can just talk directly. The relay stations will be useless! Should we abolish the relay stations? "
"We must abolish them! The relay stations are used to transmit messages. If we don't need them to transmit messages, then what is the point of keeping them? "
"There is no need to do that. Telephone sound transmission needs a line. If someone destroys the line halfway, then the phone won't be able to go through. The people in the relay stations can change their jobs to patrol and maintain the wires along the way to prevent the wires from being destroyed."
"There is only one relay station far away. If we rely on them to protect the wires, it will be too late. If we want to better protect these wires, we must lay the wires along the railway line. The patrolling soldiers will patrol back and forth in cars. Not only will it be very efficient, but it will also have enough strength to deal with thieves who steal the wires."
"That makes sense, that makes sense! The wires to other places must be along the railway line. That way, it will be more convenient for maintenance. However, if there is no railway line, there will be no way to make phone calls. "
"It will be fine even if there is no railway or road! Let the local government runners patrol the lines on horseback every day. That won't be a big problem! "
"That's right, that's right! There will always be a solution. Now that the sound transmission telephone has been invented, is the line still a big problem? Hahaha! "
The ministers were very happy. According to Ang Lee's words, this thing was not expensive. The aristocrats could definitely afford it. However, Ang Lee forgot to tell them that using the telephone consumed electricity. Therefore, as long as the family installed it, they would have to pay a certain amount of money every month, which was the monthly rent.
The monthly rent could naturally be slightly cheaper as long as it exceeded the daily consumption. The telephone could be sold at a slightly more expensive price, which could reflect the superiority of the aristocrats. After all, in the eyes of many aristocrats, they only liked to buy expensive items and didn't care much about whether it was suitable for them. With this mentality, the aristocrats could naturally sell the telephone at a slightly higher price. It was also good to have a small profit but quick turnover. The funds consumed during the research and development period could be recovered as soon as possible. In addition, due to the maintenance of the telephone line in the future, no matter how many users were connected in the end, the difference in the maintenance cost of the line was not big. As a result, the more users connected, the better. The more people connected, the more pressure they would share. As a result, the cost of each user would be lower.
Therefore, if they wanted to better develop this business, they had to encourage more people to install the telephone. With the number of wealthy people in the capital, the consumption power was very considerable. Selling tens of thousands of units was simply a simple matter. There was no pressure at all. This work was also very easy to carry out.
During the morning assembly, many ministers had personally experienced the magic of the telephone, but after all, there were still many people who had not experienced it. Therefore, after half of the wine, the telephone was once again taken out and placed outside the entrance of the political announcement hall. This way, the people inside and outside the hall could see it.
The emperor looked at a eunuch and said, "It's about time. Call and ask."
The little eunuch understood and immediately dialed the number.
"Ring, ring, ring …"
Near the Supreme Liquid Pool, the imperial concubine was entertaining the ladies when she heard the sound of the bell.
Immediately, all the ladies who came to attend the banquet looked over curiously, including Yan Ruyu. After all, Ang Lee hadn't told her about this invention yet, so naturally, she didn't know anything about it.
Seeing this, the lady of Guo hurriedly stood up and said loudly, "Ladies and gentlemen, this is from the political announcement hall. The political announcement hall is about five miles away from here, but the sound is real. Later, you will have a chance to listen to the sound of the telephone with your own ears."
"Yes! Originally, His Majesty wanted to hold the banquet in the Linde Hall, but in order to be farther away, he chose the Xuande Hall. This is the first time that he's holding a banquet in a place where the imperial court is held! "
A senior palace maid said.
"Stop talking. Answer it!"
The imperial concubine scolded the palace maid and said.
The palace maid picked up the phone and asked who it was.
"I'm Xiaoliuzi. May I ask who you are?"
The eunuch's voice came from the other side of the phone.
"Your Majesty, it's Xiaoliuzi."
The palace maid said.
The imperial concubine nodded and looked at the crowd. She said, "If you want to listen to the sound, you can line up and try it one by one."
Then she signaled the crowd to make a phone call.
The ladies were naturally very happy to do so, but they were all people of high status, so they couldn't fight for the phone like ordinary people. They could only do it one by one according to their status. Those who had already experienced it before didn't need to experience it again.
"Aunt, I'll go first!"
The princess of Gwangbyeong Of Gojoseon boldly ran over because she was a relative of the imperial concubine.
The imperial concubine didn't think it was inappropriate, so she nodded with a smile.
"Xiaoliuzi, I'm Yang, the princess of Gwangbyeong Of Gojoseon. Is the Gwangbyeong Of Gojoseon here?"
The princess asked.
"Princess, please wait a moment. The Gwangbyeong Of Gojoseon is here," the eunuch replied.
He immediately asked the people next to him to invite the Gwangbyeong Of Gojoseon over.
Li Yu of Gwangbyeong Of Gojoseon was not in a good mood at the moment. When he came to attend the banquet, his beloved concubine heard about the phone call and wanted to enter the palace to take a look. However, she was a concubine after all. According to the rules, she couldn't enter the palace to attend the banquet. Although Li Yu was the king, the higher the status, the more he had to abide by the rules. Therefore, he really couldn't agree to his beloved concubine's request. This naturally made his beloved concubine very unhappy. Because of this, Li Yu also became quite unhappy. He even took out his anger on the servants around him and scolded them.
It was supposed to be a happy day, but because the person he loved couldn't enter the palace, and the person he didn't like entered the palace, Li Yu was in a very bad mood. He didn't even have the mood to attend the banquet. However, he had no choice but to force a smile and toast with the ministers. He put on a happy expression.
"Gwangbyeong Of Gojoseon, the Princess Consort's phone call. This is the first call from the Imperial Liquid Pool today! Gwangbyeong Of Gojoseon, quickly go and pick it up! "
The little eunuch said with a smile.
Li Yu's mood immediately became bad. He reprimanded, "No, just say that I'm drunk. Yes, I'm drunk."
After saying that, he waved his hand and asked the little eunuch to leave.
The little eunuch was helpless and came back to report.
"Princess Consort, Gwangbyeong Of Gojoseon is drunk and resting on the table."
The little eunuch naturally didn't dare to directly say that Gwangbyeong Of Gojoseon didn't come over and didn't want to talk to the Princess Consort. As servants, they could stand by the Emperor's side. Naturally, they were all shrewd monkeys. They knew what could be said and what couldn't be said. They didn't dare to say anything that couldn't be said.
"He's drunk. Do you want the imperial physician to take a look?"
The Princess Consort said.
"Don't worry, Princess Consort. There are six imperial physicians waiting here. He'll be fine. "
The little eunuch said tactfully.
Although the little eunuch's lie allowed the Princess Consort to have a eunuch, she still wasn't very happy. Because she didn't believe what the little eunuch said at all. She knew that Li Yu didn't want to talk to her. It seemed that no matter how hard she tried, it was difficult to win Li Yu's favor.
And it was difficult for her to win his favor naturally had a lot to do with her background. After all, she came from a small family. If it weren't for the support of the Imperial Consort, she could only marry a rich man in the countryside at most. It was impossible for her to marry an imperial grandson. In other words, her background was not high, which determined that her knowledge and vision were very ordinary. It was difficult for her to get along with Li Yu.
"Aunt, he's drunk."
The Princess Consort was very disappointed and put down the phone.
The Imperial Consort was also very unhappy. She was angry at the unreasonable Gwangbyeong Of Gojoseon, but at the same time, she was angry at her failure to fight. Her background wasn't very high, but she was able to coax the Emperor. However, her niece still couldn't win Li Yu's heart. This was more or less embarrassing. The other ladies were also very unhappy. However, this kind of thing couldn't be discussed in this kind of situation. They could only accept it gently.
"Imperial Consort, my husband is also the most fond of wine. I don't know if he's drunk. Let me ask."
An old lady said.
The Imperial Consort nodded.
"Oh, I can really hear the voice. It's so clear!"
"Husband, don't drink too much. Don't drink too much."
"Okay, okay, it's clear."
"Madam Li, let me listen."
After someone took the lead, these old ladies all ran over to listen to the phone. One by one, they took turns to answer the phone. They were having a lot of fun.
Yan Ruyu was naturally more curious. However, because resources were tight and Yan Ruyu didn't like to compete, she simply didn't listen to the phone. Anyway, this thing was invented by her husband. If she wanted to know more, she could just ask Ang Lee to bring a few back to play. This was no pressure at all. Ang Lee had done it before.
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