After handing over the blueprints, Lin Ying didn't pay any more attention to the matter. She returned from the forest farm carrying a lump of wood. Her first priority was to study it.
But this lump of wood looked like a single piece of wood, with no visible joints. If Master Amu hadn't said it was a box, she wouldn't have believed him.
A box is only a box if it can be opened.
Lin Ying studied it for a long time, but still couldn't figure out the reason behind the box.
Lin Ying recalled the contents of the mechanical treasure boxes she had seen in Mo Zi's memories. Some could be opened by simply splitting them open, while others opened on their own after being dropped. Some required a key, and so on.
It's impossible to split it open. Lin Ying didn't see a keyhole either.
After thinking for a moment, she casually tossed the box aside. As it bounced back and forth, Lin Ying heard a "crack" and the box shattered into pieces.
Lin Ying was startled. Had she accidentally dropped and broken the box?
Lin Ying looked around guiltily, and after making sure no one had noticed, she squatted down to examine the pile of remnants.
After the box was thrown open, a jewelry box and a book fell out.
Lin Ying glanced at the jewelry box; inside was a jade thumb ring.
She tried it on, but found it a bit too big, so she put it back in the box.
Then, she looked at the book again. Upon seeing it, Lin Ying's breathing became rapid. Because it was a manual of secret mechanisms!
The first page of the book features a picture. It depicts the jade thumb ring.
Lin Ying then realized that the jade thumb ring was not smooth, but rather reflected a dragon under the light.
The second page contains information about this sect, stating that this sect must not commit evil, and even more so, must not use what they have learned to betray national interests.
Lin Ying looked at the sentence and realized it was clearly added later, because the font was different from the one above.
She guessed that the following sentence was taught to Master Amu by his master.
Unfortunately, Master Amu never opened the box.
Next, Lin Ying saw the details of various mechanisms, as well as the explanation of how to create mechanisms using the Five Elements and Eight Trigrams.
Lin Ying was completely captivated by the contents of the book.
Every day, she would stay at home and meticulously replicate the mechanisms in wood. Each mechanism took at least five days to replicate, and Lin Ying spent ten days thoroughly figuring it out.
The second mechanism is the box she broke.
Lin Ying then realized that the box wasn't broken. In fact, the switch was inside the box.
The ring box is the key to the box.
When the box is dropped on the ground, the ring box inside will hit the switch inside, causing the box to break apart and open.
The box can only be opened with gravity; it cannot be opened by shaking alone.
After Lin Ying restored the wooden box, she placed it in the study in the space.
After that, they continued to study these mechanisms.
The later stages became increasingly difficult, and Lin Ying spent more and more time on them.
When Zhao Qinghuai returned, he found himself in a complete mess, with his wife sitting there covered in sawdust, swinging something back and forth in her hand.
"Wife, what's wrong?"
Lin Ying was awakened by the noise and then came to her senses: "You're back?"
Zhao Qinghuai pointed around: "What's this?"
Lin Ying patted her head: "I recently got an interesting book, and I'm studying its contents. It's okay. Have you eaten? I'll go make you some food."
As she spoke, Lin Ying stood up, but because she had been sitting there for too long, her legs went numb, and she stumbled. Zhao Qinghuai quickly caught her and said, "You rest for a bit, I'll cook. Judging from your condition, you probably haven't eaten."
Lin Ying chuckled, then waited for her foot to recover before cleaning up the house and going out to find Zhao Qinghuai.
How long will you stay this time?
While washing vegetables, Zhao Qinghuai said, "It will take about half a month. The people have all gathered and have been given a half-month leave. They will bring their families with them when they come here."
Lin Ying nodded: "Then you can rest for half a month?"
Zhao Qinghuai nodded: "Yes!"
Lin Ying said, "Since you're on vacation, why don't you go back to your hometown?"
Zhao Qinghuai asked with a heavy expression, "What did my mother say to you?"
Lin Ying said, "It's nothing, it's just that they called a while ago and said something seemed to have happened at home. I told them you weren't there, so I wired them two hundred yuan. Now that you're back, you have a fifteen-day vacation, why don't you go back and check on them?"
Zhao Qinghuai thought for a moment and said, "Okay, I'll go and submit the report. I'll make the arrangements tomorrow, and if we buy the tickets, we should be able to leave the day after tomorrow."
"Then I'll pack my things tomorrow."
After they agreed on the plan, Lin Ying packed two suitcases the next day. She also made a wooden basket. It could hold food and drinks, and when unfolded, it became a table. Perfect for traveling.
After reading the manual on mechanisms, Lin Ying had a clearer understanding of how to do these things.
However, she prefers to apply these things to everyday life rather than to complex and difficult mechanisms.
Because of the time constraints, she couldn't make two mechanical suitcases, so she could only make do with this small one.
However, she still made a cart.
Nowadays, suitcases don't have wheels. You have to carry them everywhere. With this wheel, she can put the suitcase directly on it and pull it along.
When not in use, simply fold it up.
Zhao Qinghuai was very fast. Early on the third day, they set off in a car bound for town.
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