Play treasure master

Chapter 213 Unraveling Yusha

"It's actually very simple." Yu Yao said while putting the jade furnace top into the brocade box, "I can't tell you with it, or you'll keep looking at it, which will affect your driving safety."

"I don't need to read, I remember the details."

"Do you also remember the details of the ox's nostrils on the bottom?"

The bottom surface of the jade stove top should be inlaid on the copper incense stove cover. It can't just be hooped, or it will fall off easily.Therefore, cow nostrils are often stamped on the bottom, and fixed with copper wire or the like, which is double insurance.

On the bottom of this jade furnace top, there are two bull's nostrils, one with two holes, and a total of four holes.

"What? From the Song Dynasty to the Ming Dynasty, the nostrils of the cow have not changed much. They always make two oblique and larger holes first, and then use a thinner tool to drill again from a more oblique angle. Finally, the bottom is horizontally drilled. Open it up, and then retouch the orifice."

Yang Rui can be regarded as a knowledgeable person, so he came as soon as he opened his mouth.

"You're right. But to punch the nostrils of a cow, in addition to using a drill, you also need to use jade sand."

Drills are solid drills for drilling small holes in jade; there are also hollow drills, called pipe drills, which are mostly used for drilling large holes or eviscerating.

Jieyu sand is also called grinding jade sand, which is actually relatively hard mineral sand, such as garnet ore and corundum ore, which are used in conjunction with tools for making jade.In ancient times, there were no tools with too high hardness and no electric speed, so it was necessary to remove jade sand.

When Yang Rui heard this, his expression changed.Although Yu Yao hadn't started it in detail yet, he knew so much about punching tools that he didn't expect it.

Yu Yao went on to say, "During the Liao and Jin Dynasties, the Jieyu sand used was Xuanning sand, which was roughly produced in Liangcheng, Inner Mongolia. Xuanning sand, to put it bluntly, is garnet. The Mohs hardness coefficient of garnet is about It is between 6.5 and 7.5; this jade furnace top is made of Hetian jade, and the Mohs hardness coefficient of Hetian jade is about 6.0 to 6.5, that is to say, the hardness of garnet is only slightly higher than that of Hetian jade."

Yang Rui responded immediately, "You mean that the holes on the stove top are not made of garnet-dissolved jade sand?"

"Yes. It is easy to observe a part of the channel through the nostrils of the cow. If you use garnet to dissolve the jade sand, the spiral marks of the channel will not be so fine. Only when the harder jade sand is used to drill the hole faster, it will be like this. For example, corundum, Mo The hardness is 9; but the jade wares of the Liao and Jin Dynasties did not use corundum to dissolve jade sand.”

Cold sweat broke out on Yang Rui's forehead unknowingly, "The swirling marks of the tunnel, even if there is a difference with different hardness of Jieyu sand, but they are still very subtle. Besides, it only takes a while to observe such a small tunnel... ·You're not bluffing me, are you?"

"You can find a magnifying glass to take a closer look, and then compare the pores of the Liao and Jin jades." Yu Yao said with a smile, "Other parts of the jade can be further polished to eliminate traces, and the traces will also be diluted due to patina, but the pores The swirl marks will not go away."

Yang Rui touched the lid of the pot with one hand, "You said that! That's what I asked! You didn't even use a magnifying glass, how did you see it?"

"I used your unbelievable eyesight." Yu Yao pressed the button of the car window and lit a cigarette.

Yang Rui licked his lips, "Give me one too, I will run out of cigarettes by the time you wait."

After taking a few puffs of cigarettes, Yang Rui was bored for a while, and finally said, "Okay, I give in to you! In fact, Director Yang can find you, and people like Director He who are not convinced are not as good as you. I should have believed it. , but I just can’t convince myself!”

"Brother Yang, I don't care about this either. My eyesight is not for convincing people. It's just that you let me see, so I'll take a look."

"Big brother, just tell me, I'll be suffocated to death!"

"Sense of light." Yu Yao said concisely.

Yang Rui was stunned.

After a while, I came back to my senses, "It seems that this is the only way to rely on...but how many holes do you have to look at in order to have such a discerning eye?"

"It's not about the number, but about the sensitivity of your feelings. Let me ask you, Brother Yang, why did you know it wasn't from the Yuan Dynasty at the first glance!"

"Didn't I say it? Style!"

"That's right. You have a keen sense of style. The stove tops of the Yuan Dynasty are less antique, and second, even if they are antique, because the style is too prominent, you can feel it."

Yang Rui was silent again.

After a while, he choked out another sentence, "Could Director Yang just want to recruit talents?"

"He seems to have this intention, but I prefer to be a wild crane."

"Brother, you really opened my eyes today! Our game can be regarded as a master, if your eyesight for other things is also so good, it is enough to stand out from the crowd!"

"Now you seem to believe it."

"Can I not believe it? I bragged in front of you that I missed it, and I was slapped in the face."

"I didn't do anything, it was you who moved up."

"Ha ha ha ha."

Naturally, the car would not go through the urban area, but the Sixth Ring Road.On the side of a big road not far from the Lower Sixth Ring Road, a wide cement road stretches inward for tens of meters. At the end of the cement road is a yard with an iron gate.The reception room is on the side of the iron door, half outside the door and half inside the door.

On one side of the doorpost, hung a vertical sign in black and white: Huaxia 5000 Research Institute.

Yang Rui showed his ID and drove in. Yu Yao casually asked, "You don't have the Special Cultural Relics Investigation Bureau on your face."

"Yes, the signboard of the Secret Service Cultural Relics Investigation Bureau is hung in the urban area, together with the General Administration of Cultural Relics, but there is only one coordination office." Yang Rui laughed, "Many units may not be where the signboard is actually located."

Yu Yao nodded, thinking that the 5000 probably meant borrowing the 5000-year history of China.

The yard is not big, only an eleven-storey building.

When getting on the elevator, Yu Yao discovered through the elevator buttons that there are all from B1 to B5, "I'll go, there are five floors underground?"

Yang Rui looked mysterious, "There are six floors underground, but I have never been there."

Yang Rui swiped his card and pressed the button on the 11th floor.

After getting out of the elevator, Yang Rui led him to the office with the "Executive Deputy Director" nameplate, knocked on the door and said, "Ju Yang said to see him first."

"Please come in!"

They opened the door and walked in. The office was large, but the furnishings were simple.Yang Sihai stood up from behind the desk, "It's pretty fast! Pot cover, are you speeding?"

"That's necessary. Anyway, it was arranged by your old man. Later, you can ask the traffic police to clear the ticket for me."

"Get lost! Close the door from the outside!" Yang Sihai cursed with a smile.

But Yang Rui walked to Yang Sihai's desk, picked up a half-pack of cigarettes wrapped in white, without any trademark, and only marked with a red triangle stamp, "Okay, get two good cigarettes as a reward first."

After Yang Rui left, Yang Sihai called Yu Yao to sit down on the sofa beside the tea table, and handed him a bottle of mineral water, "I don't have any tea in the office, so let's just have a drink."

"Get down to business first!" Yu Yao said, and opened the bag.

(End of this chapter)