"Hello, I'm Dongzhu. Time to eat."
Li Longji asked someone to find someone to wash coal in the Governor's Office. Li Yi continued to copy medical books.
He found that people in the Imperial Medical Department of the Tang dynasty learned medical books very fast. Last time, when they diagnosed and prescribed medicine for Bi Goo, they used the medicine in the new medical book.
One was the medicine in the Ming Dynasty, and the other was the medicine in the Qing Dynasty.
Since they could learn and apply it so accurately, he continued to copy.
When he was tired of copying, Li Yi came to see the big red-breasted parrots.
He was shocked again. When other parrots said hello, these two parrots said three sentences.
"Okay, learn more." Li Chengqi, who came to deliver frozen seafood, stood next to Li Yi.
The seafood from Dengzhou began to freeze because of the cold weather. The big ice cubes required well water.
The navy took the ice cubes to the sea to catch fish. They put them in a cold storage made of ice cubes and sprinkled crushed ice.
When the seafood was brought to the shore, the people on the shore prepared a mixture of ice and water. They threw the seafood in and left it outside to freeze.
Lumps of seafood were separated by straw curtains and loaded into cars to be transported to Chang 'an.
The first batch had just arrived. Li Chengqi was not ready to sell, so everyone could have a taste first.
"Brother, I heard that Wu Zetian raised a parrot that could recite scriptures?" Li Yi remembered something and wanted to know the truth.
"How is that possible? If parrots could recite scriptures, Buddhism would treat parrots as holy objects." Li Chengqi shook his head.
"I have a good idea to teach parrots." Li Chengqi denied that Wu Zetian's parrots could recite scriptures. He suddenly had an idea.
"What is it?" Li Yi wanted the parrots to say a few more words.
"Loudspeaker, your recording loudspeaker. It's hard to teach them sentence by sentence. That little girl is good. Record her voice."
Li Chengqi pointed at the pair of parrots that could recite three words.
Li Yi: "…"
He didn't think about it at all. Yes, he had a loudspeaker.
"I know you want to sell parrots, not these. Later, you can catch parrots and myna from other places."
Li Chengqi guessed that the price of a talking bird would be heaven-defying.
There were no birds in his mansion. In the whole city of Chang 'an, there were less than twenty birds that could talk.
He couldn't take it by force or trickery. She had a precious bird.
Now that he had the opportunity, Brother Yi would raise a lot of them. The big parrots would lay eggs and hatch in the spring.
"I want to open a chain of stores and put a pair of parrots or myna in each store. As soon as the guests enter, they will greet them with welcome and hello. "
Li Yi finally revealed his plan. There were other countries that did this.
Li Chengqi fell! Suck! One! Mouth! Cold! Qi!
It was cold outside and there was no heat to breathe in.
"That's right, that's right. If you open a restaurant and let the parrots out, people will go in and eat. If they hear that, the price of a dish will be doubled."
Li Chengqi had to admit that the talking bird was very attractive. In Chang 'an, there would be people who would eat in the restaurant just to listen to the parrot talk.
"Big Brother, did you ask the people in Deng Province to dig a cellar to store ice?"
Li Yi talked about other things. It was still early to talk about parrots. There was no hurry now.
"I said that I will dig a lot of ice cellars. I always want to eat sea crabs. They are big and satisfying.
In winter, we can catch crabs, but there is no yellow or cream. We can only eat the shells.
When we are a few months old and a few years old, the swimming crabs in Bohai Sea are said to be the best. If they are sent over without ice, they will all be smelly. The dried crab meat is far worse. "
Li Chengqi swallowed his saliva as he spoke.
He couldn't go to the seaside to eat crabs. He could only store ice.
"Big Brother, I have thought of something. A reciprocating steam engine sealed with a copper gasket. I will only dare to touch the fuel engine after I build it."
Li Yi wanted to eat seafood, the very fresh kind, not frozen to death in ice.
It was sent to the place with ice, but the crab was the kind that was alive.
There was only one requirement for it, speed.
From Shandong to Luoyang, then from Luoyang to Chang 'an, the straight line distance was more than 1,000 kilometers. The actual distance was more than 1,400 kilometers.
If the steam engine could run three stone kilometers in one hour, it could definitely reach the place in 50 hours.
The crab would not die in 50 hours.
Why did they have to go to Shandong? Shandong was next to the sea, and the Jinghang Grand Canal passed through that line.
Shandong belonged to the Henan Province of the Tang dynasty, and Henan Province had always been the most important.
"What is it for?" Li Chengqi didn't doubt whether it could be built. He was thinking about the purpose.
"I will try to make a small one. The propeller boat will be launched tomorrow. Big Brother, remember to come and watch.
There was a problem with the weight ratio that I made before, so I made a new one.
If it works, the Jing Prefecture's water network will not use ships next year. It will be faster. "
Li Yi frowned. He was very worried about the steam engine.
Even if the steam engine was built, what about the railway?
How much iron was needed to lay 1,400 kilometers of railway? How much iron was needed to make guns and cannons?
There was still a shortage of kitchen knives in the homes of the commoners.
Could they build a small one with a small carrying capacity? Could they use wood to cover the railway?
Li Chengqi rarely saw Li Yi distressed, so he asked, "Brother Yi, is there a problem?"
"It will use too much iron. Wait a few months. I will try to build a children's train in Zhuangzi. It will be steam-powered. You will know when you see it."
Li Yi thought of the small train in the park. It was actually electric, but it could be made into steam.
The weight of the steam engine head and the weight of the load could be used to see if a small track could work.
…
The next day, Li Chengqi and Li Longji's family all came.
When the little guy saw Li Yi, he showed a puzzled look. Obviously, he hadn't seen him for many days and had forgotten about him.
Li Yi didn't talk nonsense. He put on life jackets for everyone and went to the river.
The boat had been lowered from the pier in Zhuangzi. Empress Wang held her son and the four of them sat on the pedals.
The rudder was in the middle, controlled by Li Yi.
Everyone was familiar with the pedals. Without the wheels on both sides, they were not used to it.
"Get ready. Start." Li Yi was in charge of temporary command.
With his order, the four of them pedaled together.
The propeller at the rear rotated and the water splashed at the stern. Its initial speed was faster than any other boat.
Even a ship was far inferior to a propeller boat.
Because there were wheels on the left and right sides of a ship, it had to bear the resistance of the water.
The propeller of a propeller boat was underwater. The front of the boat was designed with a sharp point.
The shape of the bottom of the boat was also different. There were grooves to separate the water.
The four of them pedaled quickly, and the speed of the boat gradually increased.
The center rudder controlled by Li Yi began to become unstable. It was not that the boat could immediately change direction no matter how the rudder was moved. There was a process.
"Dragon boat, dragon boat, this is the speed of a dragon boat." Empress Wang felt it. During the dragon boat race, the dragon boat moved forward quickly.
The speed of the boat now was about the same as the dragon boat.
The dragon boat was narrow and needed many people, and it could not maintain the speed for a long time.
Pedaling the boat would obviously allow it to last longer.
"Good boat, good oars," Li Longji said.
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