"Purple Electric Blue Frost?" Tang Banqing had a proud look on his face, as if only at this time could he see her demeanor as a swordsmith: "Hehe...... , what I want to forge is the sword of Yue Zi Electric Blue Frost. ”

"You haven't answered me yet, can you use the transformation stone to forge a sword?" Although Tang Banqing's ambition is admirable, but this is what Lin Tian cares about, if the transformation stone can't forge a sword, it is like a gold coin in the desert, it has no use, but becomes a burden.

Tang Banqing didn't answer his words, but pressed a few times on the sword furnace, and the sound of "click-click-......" came from the ground again, accompanied by the shaking of the ground, but this time everyone was prepared and was not surprised.

After the sound, the temperature of the sword furnace slowly decreased, and from the observation port, it could be seen that the fire in the furnace was fading, and the temperature of the underground space was also significantly reduced.

Tang Banqing pressed the pedestal somewhere again, and there was a "whirring" sound in the corner of the underground space, like the sound of a fan turning quickly, and the airflow in the space suddenly increased, and a cool feeling hit, this sudden coolness made Yun Xiaotian breathe a sigh of relief.

"Old Tang, there are so many mechanisms here, but I really want to know, what is the driving force of the mechanism?" Lin Tian asked curiously,

The modern anti-theft system is also a kind of mechanism, which is naturally powered by electricity, but the area around the nine-story pagoda does not look like there are wires, and the mechanism in the underground space is naturally not electric.

Tang Banqing laughed and said: "Have you forgotten the canyon outside? The water at the bottom of the valley is turbulent, that is the best driving force, water power is the most common way to drive the mechanism, there was no electricity in ancient times, and the driving force that was commonly used was water power. ”

As a few people spoke, the temperature of the sword furnace slowly decreased, and Tang Banqing opened the door of the sword furnace again, and the temperature decrease was further accelerated. The metamorphosis lost the support of energy and slowly changed back to the shape of a ball, and several people were amazed by this scene.

Half an hour later, the internal temperature of the sword furnace had dropped to the range where it could be entered, and Tang Banqing took a large iron tong from the corner and took out the deformed stone.

When Tang Banqing took out the stone, she couldn't help but exclaim that the deformed stone didn't disperse the high temperature, and couldn't help but exclaim: "What kind of substance is it that cools down so quickly?"

"Donald, according to the records of the English wizarding era, the metamorphosis will change its form by absorbing energy, I think it is not cooling, but the heat energy on the surface of the stone is absorbed into it, but this energy is not enough to support it to change its form, but it makes the surface temperature decrease. Lin Tian explained.

In fact, he also speculated, because the sword spirit didn't say much about the information about the transformation stone, and he didn't know anything about it except for absorbing energy and changing its form.

"I see. Tang Banqing lowered his head thoughtfully, and after motioning for the ghost to put the transformation stone back, he turned to Lin Tian and said, "You just asked me if I can use the transformation stone to forge a sword, but I can't answer this question now." Tomorrow, no, afternoon, I'm going out on some errands, and I'll ask you one thing before I go. ”

Seeing that Tang Banqing was quite serious, Lin Tian thought it was something important, and said solemnly: "Old Tang, please speak." ”

Tang Banqing took something out of his pocket and handed it to Lin Tian, Lin Tian took it suspiciously, glanced at it a few times, and it was now a purple-black wooden brand.

The wooden sign is three fingers wide, purple and black, the wood texture is delicate, and the surface is very bright, which is the result of long-term contact and friction by the hand, which shows that this is also an old object. Moreover, Lin Tian had a keen sense of smell and smelled a faint aroma from this wooden sign.

"Rosewood!" Two voices sounded at the same time, one was Lin Tian and the other was Yun Xiaotian.

"Brother Lin, this is old rosewood, it looks like it's still a few years old. Yun Xiaotian added.

The ghost was a little puzzled and asked, "Brother Tian, everyone knows that rosewood is precious, but you don't have to be so surprised, right? ”

Lin Tian smiled, knowing that Yun Xiaotian had already seen the value of the wooden card, but the ghost didn't see it, Yun Xiaotian was born in a rich family, and he had many opportunities to contact these precious things, so he naturally recognized that the ghost used to be a mercenary, and he was a big old man, and it was normal to not understand.

"Rosewood is rare and precious, and the old rosewood is even more rare, let me tell you this, the value of this wooden card, ordinary people can't afford to buy this wooden card with half a lifetime. Lin Tian simply explained that he had learned a lot from Zhou Lao, and he could still roughly estimate the value of some treasures.

"How can Brother tell it's been a few years old?" the ghost asked again.

"The newly processed rosewood is light in color, but over time, the rosewood will oxidize, and as the oxidation deepens, the color will gradually darken. The general color change is from orange-red to red, then to fuchsia, and a little darker, like this wooden sign, to purple-black. ”

"Because wood oxidation is a long process, it takes a long time for rosewood to turn purple-black. Of course, now the counterfeiting technology is too high, the color alone can not be the only judgment, specific to this wooden card, in addition to the purple black characteristic, as well as the degree of brightness, the longer the red sandalwood plays, the brighter the surface. ”

"Of course, the most important thing is that this is something from Qingshuang Pavilion, I don't think there is any need for Qingshuang Pavilion to fake, so I said that this wooden plaque is some years old, even hundreds of years old, and the value of antiques, plus its own material, so it is worth a lot of money. Lin Tian patiently explained.

"I see. The ghost suddenly realized.

Lin Tian asked a little strangely: "Old Tang, if you give me such a precious old object, aren't you afraid that I will abscond with the money?"

Tang Banqing smiled indifferently and said, "Look at the back of the wooden card. ”

Hearing this, Lin Tian curiously flipped over the wooden sign and saw that there were three words engraved on it: Qinglan Yuan. The font is simple, and the strokes are done in one go, the depth is appropriate, it seems that the person who engraves the word is also a master of using a sword, of course, Qingshuang Pavilion has no shortage of kendo masters.

"...... this?" Lin Tian and the others were even more puzzled, not knowing what the use of this wooden sign engraved with "Qinglan Yuan" was.

"This is the token of Qinglan Garden, and with it, you are the supreme steward of Qinglan Garden. Tang Banqing said bluntly.

"Uh, isn't Shen Danxi the supreme steward?" Lin Tian was a little confused, and couldn't figure out the situation, why did the supreme steward only take care of the simple courtyard instead of the garden attic, and also, Tang Banqing, a swordsmith, why did he go to Qinglan Yuan to be a steward?

seemed to see all of Lin Tian's doubts, but Tang Banqing didn't mean to explain, but said: "I'm going to leave Qinglan Yuan for a while, as long as ten days, as short as three or four days, and during my absence, you will temporarily be the steward of Qinglan Yuan for me." ”

(End of chapter)

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