The Rise of the European Emperor

In summer, the northern coastal areas of Germany are cloudy and rainy. Although it is not a heavy rain, the climate is humid and humid, which makes people feel uncomfortable.

The three important cities of Aurich, Emden and Lyle, the capitals of East Frisian counties, were replaced with cast iron city gates, and now they are rusted...

Because of Marin's method of blasting with artillery when attacking Denmark, the pure oak city gates in Europe have become outdated. Therefore, the Danes took the lead in introducing the cast iron city gate in Copenhagen, which once made Marin's army helpless.

Back in East Friesland, Marin didn't want others to do the same to him. Therefore, the three most important cities in East Friesland were naturally the first to install cast iron city gates. Even the cast-iron city gate of Emden was completely dismantled from Copenhagen and refitted.

Marin actually understands the shortcomings of iron gates, that is, it is easy to rust. Therefore, he had already arranged for his subordinates to paint the big iron gate to keep out the moisture.

However, the paints of this era are very primitive and of poor quality. Over time, it is easy to peel off the paint after being exposed to the wind and the sun. After the paint is peeled off, the iron part is exposed. Then, if there is some wind and rain, it will naturally rust...

Although he had expected this for a long time, Marin still had a headache. A good big iron gate, if it is broken, the loss will be great. After all, blast furnace ironmaking is not yet popular in Europe, but some blacksmiths still use the original method of accumulating iron ore and charcoal in charcoal furnaces to make iron. Therefore, the price of iron is very high.

In desperation, Marin had to order repainting. However, European paints are so expensive these days, and it costs a lot to repaint several times.

Now there are no synthetic paints, all paints are extracted from sumac and minerals, which are small in quantity and expensive. If you paint every three or five times, the cost is a bit high...

So Marin thought of galvanizing...

Unfortunately, the Europeans have not yet extracted zinc. Marin does know that there is a Tara lead-zinc mine in northwest Dublin, Ireland, with huge reserves. Unfortunately, that huge lead-zinc mine,

It happened to be in the direct territory of the King of England under the rule of Henry VII. With the treacherous character of Henry VII, would he allow himself to mine and smelt zinc?

You know, because he was jealous of the profits and taxes of the wool spinning industry, Henry VII desperately suppressed the export of wool and set up a wool spinning factory himself.

Therefore, if he knew that there was a huge lead-zinc mine in his index territory, even if he gave it to him before, he would take it back with his rogue character. If nothing else, just a large lead mine is enough to make Henry VII shamelessly turn his face on his heels.

And if you tin the city gate, it is also a good choice. After all, tinplate is also rust-resistant. However, tinplate has a fatal flaw. Once the tin plating layer is worn out, it will quickly spread and rust around the worn point.

It is inevitable that the city gates will bump into each other. Therefore, there will be problems with tin plating. The best solution is to galvanize.

In fact, if it is to prevent artillery bombardment, there is no need to use pure cast iron city gates at all, and it is completely sufficient to cover the outside of the city gates with thick iron sheets or iron plates.

After all, it is very difficult for mere iron balls to smash open the gates covered with thick iron or iron plates. The reason why Marin replaced the three cities with cast iron gates of pure iron was brought into the ditch by the Danes.

Later, in the test, Marin found that using a thicker back iron sheet or an iron plate to cover the oak city gate can also resist shelling. Moreover, doing this, there is another advantage that the cast iron city gate does not have, that is, it is easy to replace.

The pure cast iron gates currently used in Marin and cities such as Denmark, Hamburg, and Lübeck, if one piece is rusted and damaged, it will be miserable, and the entire gate will be useless and need to be replaced as a whole.

And if the method of nailing thick iron or iron plate is used, even if a certain thick iron plate or iron plate is broken, it is just to take off the rusted iron plate and replace it with a new one.

However, whether it is thick iron sheet or iron plate, it has the same shortcomings as cast iron gates and is easy to rust...

Before, it was not that there were no European cities that covered the city gates with iron sheets, but in the end, they all chose to give up because of the problem of rust.

At the same time, in China and other parts of East Asia, there was a method of thick copper skin to enhance the solidity of the city gate. However, that is East Asia. In East Asia, one tael of silver can be exchanged for one thousand copper coins or more. In Europe, a silver coin can only be exchanged for 15 copper coins of the same size. Therefore, considering the cost, the general country does not have the economic strength at all, and the city gate is covered with copper skin.

Even a local tyrant like Marin, is it okay to cover the four gates of Duorich with bronze skins, and cover the gates of other cities with bronze skins? just forget it……

15 Fast iron is equivalent to a piece of silver. Who can be so extravagant that several city gates in various cities are covered with copper?

Therefore, after thinking about it, it is the most economical and effective way to cover the oak city gate with galvanized white iron. The only question now is where does the zinc come from?

As a result, Marin had to turn his attention to the Tara lead-zinc mine in Ireland...

Although it is said that the Tara Mine is in the territory of the old fox of Henry VII. However, at this time, the island of Ireland is not the only one of Henry VII's family...

You know, Marin helped Earl Edward of the York family to go to the island of Ireland, and also took control of Cork, the first good port on the island of Ireland. Not only that, but Earl Edward has 5ooo mercenaries by his side...

After much thought, Marin decided to start supporting Earl Edward and let him make trouble on the island of Ireland. Even, support Earl Edward to unify the island of Ireland.

After Earl Edward took Dublin and surrounding areas, England's only direct possession on the island of Ireland, Marin could buy Tara Mine from Earl Edward in the name of the North Sea Chamber of Commerce, which had saved his life. . Then, pull the excavated lead-zinc ore to other places to extract zinc...

Earl Edward's financial strength is far behind that of Henry VII, who controlled England. Therefore, after Earl Edward occupied the immediate possession of the British king near Dublin, he would definitely need funds to prepare for the war against Henry VII's counterattack. Therefore, Edward at that time must be very short of money. At that time, if you come forward in the name of the Beihai Chamber of Commerce, you will not be able to buy the first lead-zinc mine in Europe...

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