In addition to all of the above-mentioned equipment, it is best to have a weak acid tank and an electrolyzer on hand. Objects that have been immersed in the sea for a long time, whether gold, silver, copper or iron, are always surrounded by marine life, such as polyps or barnacles, and their shells are very strong, like stones. The best way to see what's inside is not to chisel them with a chisel, but to throw them into a nitric acid solution. Depending on the thickness of the wrapping layer, after ten minutes or dozens of minutes, under the neutralization of acid and alkali, the wrapping layer will automatically fall off, and the weak acid solution will not react too strongly to the metal, but can clean the metal again.

The electrolyzer acts similarly to a weak acid solution, and is generally used to deal with relatively large objects that have been penetrated by salts. After a period of electrolysis, the salt in the object will be precipitated, so that those objects that are fished up from the bottom of the sea will not continue to be corroded due to the salt inside, otherwise the objects will break up on their own within two months of fishing.

Hong Tao doesn't know much about these things, and he can't figure out which ones are easy to use and which ones are not. In fact, there is a person who can figure out these things, he is an expert in this area, but Hong Tao has no face to go to someone, because he blew them away a year ago. That's right, it's Amundsen, whether it's diving or magnetic scanning, the Kvarna Group is the top equipment manufacturing company in the industry, and marine drilling and ocean treasure hunting are basically a workflow in most cases.

"Why did you let me go and tell Amundsen not to mention you yet?" Levin was puzzled by Hong Tao's request, and he didn't know if he was pretending or if he really didn't know that Amundsen and Hong Tao had broken off their friendship.

"If I can find him and use it to trouble you? You still owe me a big favor and a little favor? Exactly, this is a small favor. It's time for you to give it back to me. Ask Amundsen if their company has the most powerful of these devices. Let him get you a set, and you will say that your friend is going to go to the sea to explore treasures. Don't worry about money. I'm not afraid of being expensive, I'm afraid it's not easy to use!" Hong Tao didn't mention how he made Amundsen angry, anyway, if Levin wanted to know, he would naturally ask Amundsen, and as for Amundsen telling him or not, it was a matter between them.

The Pyramid Island only stopped for a month, and suddenly it was lively again, and in three days, two transport planes buzzed down on the runway, and then various transport vehicles began to unload large boxes from the planes and move them to the Mouse Superman like ants moving. The Mouse Superman was busier, especially on the back deck, which was crowded day and night. Sparks fly. The ship's mechanics and mechanics are leading a crew to install two A-booms and two winches at the end of the aft deck. The deck was not idle, and all the steel scraps collected by the flood in the hangar were hoisted onto the dock, and the vacated space was stacked with a large pile of equipment, as well as two large water tanks.

"Oh my God, are you going to turn it into an exploration research ship? What kind of equipment is this?" By the time Jim and Singh had registered their exploration company and applied for a search permit to return to Pyramid Island, the renovation of the Mouse Superman was nearing completion. Looking at the brand-new equipment in the hangar, Jim didn't criticize Hong Tao for the first time, and each of these equipment made him very excited. There were even some he didn't recognize.

"This thing is said to be able to map the topography of the seabed and draw a graph on the computer, and the person who sold it to me said that it is useful for exploration and salvage, and if it is not used, then I will return it!" Hong Tao held a thick stack of equipment manuals. The strange look on his face looks like crying and a bit like laughing. This time he was pitted by Amundsen, and it only took Levin a week to buy all the equipment. They also used a transport plane to transport the equipment, and they didn't even ask for an advance payment. Two technicians were also appointed.

At first, Hong Tao thought that these two technicians were here to help install and debug the equipment, and the Quarkwana Group provided thoughtful service. But when he saw the list of equipment, he was immediately dumbfounded. Even if the equipment is purchased according to a more luxurious degree, Hong Tao's budget is only more than 2 million US dollars, but the list that Levin got back is obviously a zero after the payment, and it is still settled in Nima euros.

"Levin, will you help me pay for this money?" came back and went to see it several times, Hong Tao confirmed that the money was not written wrong, each piece of equipment has a unit price, which is indeed worth more than 20 million euros, including more than 600,000 euros of installation and commissioning costs and the salary of random operators.

"Why do I pay for you?" Amundsen said that it was all you needed for your treasure hunting, and he wrote you a sentence on the back of the list. Levin pretended to be like him, as if he didn't know anything, but Hong Tao was 100% sure that this grandson must be smiling in his heart. I was jointly pitted by the two of them, and I suffered a dumb loss. The back of the list reads: Congratulations, you can explore for oil in your kingdom of God!

Indeed, according to the standards on the list, those equipment are not only seabed mapping equipment, but also vibration test devices, large sonar towed arrays, probe magnetic field analysis equipment, underwater photography robots, GPS positioning equipment, and professional diving equipment. No wonder two technicians were sent along, and they were not here to install and debug the equipment, they were the operators of the equipment. Amundsen knew very well that there should be no one here who would play some of the too professional equipment here.

"Cheng! Count the two of you ruthless, you tell Amundsen that if I explore for oil, I will definitely ask their company to help me build a sea drilling platform, and let him come here to stare at the oil extraction for me when the time comes!" This is Amundsen's revenge, it is estimated that the idea must have come from Levin, Hong Tao is indeed a little sorry for Amundsen in this matter, if this can make him feel better, spend some money, just spend some money, it's not that he can't afford it.

Although it is expensive, Amundsen really did not cheat on quality and price, and there are also members of a professional marine salvage company in Jim's team, according to him, these equipment are the latest models, some equipment is not sold separately, to buy is a lot of miscellaneous things, it is very powerful to buy alone. As for whether the efficacy of these devices is suitable for ocean treasure hunting, it is a must, but it is a little extravagant, a bit like using a submarine to fish and make a nest. You say that submarines can do this? It must be able to, and it is more professional, but the input-output ratio is too different.

"I think I'm going back to the United States again, our plans have to be changed, with these equipment, it's not appropriate to search for a certain shipwreck, what we're looking for now is a fleet, a large Spanish fleet! Only tons of gold nuggets are worthy of these equipment! Hong, thank you for giving me this opportunity, please rest assured, I will definitely show the corresponding results!" Jim didn't know that Hong Tao was cheated, and thought that Hong Tao was going to do a big job. This kind of investor is difficult to find in the world, and it is not encountered in a thousand years, so he has to re-plan the search plan, and must find a more suitable and larger treasure spot.

"Yes, I'm optimistic about you, Jim, it's not just for money, it's for honor. Let's join forces and become one of the world's most successful treasure hunters!" "The money is also spent, and he can't come back if he cries on the ground, Hong Tao wants to open it very much, and what he needs at this time is not to complain, but to encourage. Let Jim and the others be full of energy, and they have the slightest chance of success.

On November 9th, this was the auspicious day for Hong Tao to ask Han Xue to find him on the yellow calendar, and the transformed Mouse Superman left the port of Pyramid Island. This time it was more like a big mouse, and the two A-hangers at the aft of the aft deck were like rat tails.

The destination of this voyage is Vigo Bay in Spain, Jim's ambition is great, and Hong Tao gave him the basis to put his ambition into practice, when he returned to Pyramid Island again, Jim had 2 more old men around him, and then held a secret meeting with Hong Tao, which set the ultimate goal of the salvage operation, the Spanish Golden Fleet!

The two old men were brothers, both descendants of Spanish immigrants, and according to their own ancestors, clerks of the Spanish crown, who had traveled with the Golden Fleet to South America to bring countless gold jewels back to Spain. However, when the fleet returned from Central America loaded with gold, silver and jewels, it was besieged by a combined British and Dutch fleet in Vigo Bay. With no hope of breaking through, some of the gold and jewels belonging to the king were transferred to shore and transported by land, and most of the treasure sank with the fleet into the Gulf of Vigo.

This story is no secret, for decades countless treasure hunters have explored the Bay of Vigo, and apart from a few gems and gold coins, they have not found the wreckage of the Golden Fleet, let alone the gold jewels that can fill 5,000 wagons. But the gems and gold coins that were salvaged and the contents of some of the ships proved that more than one ship belonging to the Spanish fleet had sunk in the waters, and there were many reasons why they were not found. The erosion of ocean currents, the accumulation of sediments, misunderstandings about the location of shipwrecks, and even the interference of the Earth's magnetic field with many instruments are all factors.

In fact, after talking for a long time, the treasure exploration thing is similar to Amundsen's metaphor for drilling oil, no matter how powerful the oil drilling company is, it doesn't dare to say where to drill where the oil can be produced, and it has not been drilled out a hundred times, and the loss is a mess, and the one hundred and first drilling oil has been drilled, and the king of the eight big has turned over immediately, and he has made a lot of money. Maybe you just drilled an area and didn't find oil, and then you changed to another company and the oil came out after a few drills. (To be continued......)