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Text 941¡¾Electrical¡¿

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    ,

    In order to absorb shock and reduce wheel wear, ancient carriages often wrapped straw and other things on the wheels.

    In today's carriages and wealthy carriages, the so-called tires have similar functions.  Straw is too rough, and cloth and leather are too expensive, so sisal is woven into car tires and covered with a layer of steel wheels.  The shock absorption effect is negligible, mainly to prevent the steel rim from directly rubbing against the ground.

    ? At the beginning, ramie was used, which has poor wear resistance, and it took several times to change to sisal.

    Of course, there are also a few vehicles that wrap a layer of wooden wheels on the outer layer of steel wheels, but the production cost is much higher than that of using sisal.  And it is very easy to fall off, and it is troublesome to repair if it falls off. It is not as convenient to replace the outer layer of sisal.

    Sisal tires are very thickly woven, otherwise they would not cost nearly a hundred cash.

    The bicycle that Zhao Han asked the craftsmen to make had already been made.  In the circle of rich kids, it was popular for a while, and then no one cares about it, because there is no merit to speak of, it is purely a new plaything for the pursuit of fashion.

    In today's China, the folk invention center is not in Nanjing, but in Suzhou and Guangzhou.

    The counterfeit product center is in Hangzhou. Whenever a new product appears in Suzhou, as long as it can make money, Hangzhou merchants and craftsmen will imitate it in minutes.

    More than 60% of patent lawsuits in the country are either filed in Suzhou or Hangzhou.  The commercial lawyers in the two places are not only numerous, but also more and more professional. They have already thoroughly understood the "Datong Commercial Law" and "Datong Patent Law".

    At this time in Suzhou, there were a group of rich sons who graduated from middle school or university and were too lazy to become officials.

    The inventions of Suzhou craftsmen basically have practical value.  But these rich kids from Suzhou have all kinds of strange inventions, and most of them are useless.

    When Li Quan was riding in a rickshaw, in a private garden somewhere in Suzhou, an outrageous inspection of invention results was being carried out.

    A Javanese slave bought from Nanyang sat tremblingly on the bench.  Opposite him are more than a dozen wealthy sons from Suzhou, surrounded by a huge wooden box.

    There is a small hole at the front of the wooden box, and the slave is projected in through the small hole, and reflected to the frosted glass above through the 45-degree upwardly inclined mirror.  The inventor of this object, a son named Gu Huansheng, covered the frosted glass with translucent white paper, covered his head with a black cloth, and used a charcoal pencil to outline the image of the frosted glass.

    It took about half an hour, and the portrait of the slave came alive on the paper.

    "This thing is done," Gu Huansheng said while holding the portrait he had just created, pointing to the wooden box, "I will call this invention a portrait machine!"

    "Ha ha ha ha!"

    The other sons laughed loudly when they heard the words, and then began to mock.

    "Brother Gu is a great talent, but he also invented something useless."

    "This machine is really good. The portraits it draws seem to be no weaker than Western sketches. It's just that Western sketches don't need your big machine, and it doesn't take so long."

    "Not bad, not bad, brother Gu really has the style of my generation, and none of the various inventions are useful."

    ""

    Although these young masters ridiculed all kinds of things, they were very interested in this thing.

    Poor Javanese slave, sitting on the bench and not moving.  Brothers took turns to experience the portrait machine, especially those who don't know how to draw, and they were even more excited after drawing the portrait.

    Such an inconspicuous invention already has the basic principle of a camera.

    In the evening, the slave with backache was sent back to eat and rest.  These princes and buddies invited them to eat, drink and play, and finally even moved the portrait camera to Taihu Lake, and paid famous prostitutes to act as models without moving.

    In the painting boat, push the cup and change the cup.

    Cui Yan, a famous courtesan, is a rare Han girl nowadays. Her own mother was a prostitute.  After going back and forth, she became a famous prostitute, and was quite sought after by gentry and merchants.

    "Mr. Gu invented this thing, which is really amazing. I don't have any drawing skills, and I can pick up charcoal to draw." Cui Yan said flattering words while pouring wine.

    The rich man next to him named Li Minzhong laughed loudly: "Miss Cui is scolding people. We people only invent useless things. Those so-called useful things can be invented by craftsmen. You said Brother Gu's  To make an invention useful is to regard him as a craftsman."

    "Yes, yes, three glasses of wine!" Everyone booed immediately.

    "Little girl said something wrong, she should drink as a punishment," Cui Yan drank three cups in a row, and then said, "The inventions of you gentlemen may be useless today, and it is unknown if they will become famous in a hundred years."

    "Hahaha, I'm afraid it will make the world laugh." Everyone shouted again.?"Actually, I am also studying Maoci. Two months ago, I went to Yang's library to borrow idle books, and I borrowed a copy of Jin Dynasty's "Natural History".  , There are those who comb and untangle with light, and there are also crackling sounds. Isn¡¯t this the shell magnet? Since it is magnetism, why does it have light? And there is a crackling sound?¡±

    "Of course," Li Minzhong patted the table, "I took off my clothes at night, and I also found a faint light, and heard the sound of barking."

    Gu Huansheng clapped his hands and said: "This magnetism is what your Majesty called static electricity. Both lightning and static electricity have electric light. The sound of static electricity is like the thunder of lightning in the sky."

    The understanding seems to be correct, but it seems a bit outrageous. They regard thunder as the sound of lightning.

    Cheng Jingming said in admiration: "Your Majesty is the one who knows everything from birth. It's a pity that the gang of Qintianyuan's wine bags and rice bags, His Majesty has clearly pointed out what kind of magnetism they are still insisting on. The magnetism of the fart is obviously static electricity.  !"

    Gu Huansheng said: "From now on, I will study static electricity and lightning instead, and I must make electricity myself. Then the electricity will drive the machine, and the electricity will be used to make the portrait machine draw pictures!"

    "Count me in!" Li Minzhong said with a smile.

    However, Cheng Jingming shook his head and said, "Staying in Suzhou is not very interesting. I want to go out to sea to see it. I heard from overseas returnees that there are strange things outside the four seas. I feel itchy in my heart. Who wants to go out to sea together?"

    "I won't go." Everyone refused.

    Cheng Jingming said: "If you don't go, I will go by myself. "Datong Monthly" said that His Majesty funded a scholar to form a Four Seas Trading Company. He returned home safely from the Americas last year and discovered the Tanzhou Islands on the way. I will go  What is the name of the scholar who took refuge in you?"

    A group of technical geeks shook their heads, they were not interested in this, and of course they couldn't remember Li Quan's name.
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