The glass greenhouse is built on the side hall on the side of the main hall of the Qin'an Palace, and the main hall is enshrined, which is naturally the "Xuanwu Emperor" of the Eight Classics. It is the true god of Taoism that symbolizes the north, and the "Xuangui" offered by Ma Lin can only be regarded as the heir of the "Xuanwu Emperor", which is naturally offered in the side hall......

The construction of a glass greenhouse is very simple, that is, to build a house with a sunny sun in the south. On the south side, Marin intended to build a sloping façade. Because the plate glass brought by Marin was not large, Marin asked the carpenters to create a large floor-to-ceiling wooden window with many lattices. And the small plate glass that Marin brought with him was precisely embedded in the lattice of this large floor-to-ceiling wooden window......

In this way, although the "skeleton" of these wooden stakes blocks a lot of sunlight, in general, most of the sunlight still penetrates the flat glass and spills into the glass greenhouse......

Moreover, the large floor-to-ceiling wooden windows are movable, and they are only installed when the weather turns cooler, which is used to insulate the glass greenhouse from the cold air outside. If the weather is warm in summer, the large floor-to-ceiling wooden windows can also be removed, so as not to affect the lighting of the "turtle" inside......

Marin remembers it well – the Galapagos tortoise loves the sun and spends at least an hour or two in the sun every day. It seems that they need to absorb the sun's energy to keep themselves healthy......

In the summer, needless to say, the sun is directly above your head. To bask in the sun, the Galapagos tortoise only needs to crawl out a little from the south to get into the sun with ease.

And in autumn and winter, when it is cold, the sun is southerly. Therefore, at this time, the large floor-to-ceiling wooden windows that originally leaned towards the southern sky are facing the winter sun......

At this time, in the glass greenhouse, the Galapagos tortoise lies in front of the large floor-to-ceiling wooden window, and through the flat glass, it can easily bask in the sun......

And because the sun is southerly in winter, as long as the south part is guaranteed to have large floor-to-ceiling wooden windows to let in light, it is enough. As for the north, east and west walls, it doesn't matter if they are transparent or not. It just so happens that if you want to build a glass greenhouse with glass on all sides, Marin doesn't have enough glass......

……

Under the command of Marin, the "horse foreman", the east and west walls of the glass greenhouse were naturally directly bricked walls, and there was nothing to say. However, because there is no cement as a binder, these bricks, like the ancient Chinese city walls, are glutinous rice juice mixed with lime and cane sugar to bond the bricks together, which is also relatively strong and strong.

As for the north wall, Marin naturally did not let the wall be built directly. Because the north wall is the source of the "temperature" of the glass greenhouse......

Therefore, after being robbed, Marin directly asked the craftsmen to build a wall similar to a warm kang. Among them, outside the north wall, there is a stove of sugar, which is used to put firewood and briquettes to make a fire. Then, its internal structure is not a soil and stone structure like a warm kang, but a metal, mainly copper shell......

Metal heat dissipation is better, after people burn firewood or briquettes in the stove sugar, the heat will penetrate through the wall of the stove made of copper and penetrate into the glass greenhouse, causing a "greenhouse effect".

Even, a bit of a professional "horse foreman" Marin, also asked people to make a chimney into a bend and go deep into the glass greenhouse. The curved chimney is also made of copper, and the heat brought by the fireworks through the copper chimney is also dissipated inside the glass greenhouse......

As long as the fire is lit in the stove sugar outside the north wall, the heat will continue to flow through the copper stove wall and copper chimney into the entire glass greenhouse.

Moreover, because the fire is burned outside the greenhouse, it is not easy to bring black smoke to the inside of the greenhouse, and it does not affect the quality of life of the Galapagos tortoise in the greenhouse.

Of course, in order to prevent the Galapagos tortoise from getting burned because of its proximity to the copper stove wall, Marin also had a steel fence made to separate the Galapagos tortoise's habitat from the copper stove wall, so that the Galapagos tortoise would not get burned after getting close to the burning copper stove......

……

When the large floor-to-ceiling wooden windows on the south side of the glass greenhouse began to install flat glass, Zhengde and a group of bigwigs came to visit......

Why? Because transparent glass is still a very rare thing in Daming!

Even the windows of the emperor's bedroom are currently pasted paper, and the windows made of flat glass are absolutely extravagant in the current Ming Dynasty......

Therefore, whether it is Emperor Zhengde or the bigwigs of the DPRK and China who came to visit, they are very envious of the glass windows of the glass greenhouse where the "Xuangui" lives.

If it weren't for the fact that the "Xuan Turtle" was the top auspicious of the Ming Empire, it would be of great significance to the imperial court, and maybe Zhengde would have snatched the flat glass on this large floor-to-ceiling wooden window......

……

After seeing the envy in the eyes of Zhengde and other Ming Dynasty bigwigs, Ma Lin immediately swore that he would bring them more flat glass, so that everyone's residence could be replaced with glass windows with excellent light transmission......

However, Marin is not stupid, he will never admit that the North Sea State has the ability to make glass. Because, once he admits that Beihai has the ability to make glass, maybe, these greedy bigwigs in front of him will ask him to offer the method of making glass. And once they make such a request, Marin, who begs them, will have to bow his head when the time comes.

Therefore, Marin directly denied that the North Sea State had the ability to make glass, and instead directly pushed it to the Republic of Venice......

Moreover, Venice is also a great back-to-back man. Why? Because the Republic of Venice is indeed very fond of monopolizing glass-making technology......

In order to monopolize glass-making technology, the Republic of Venice specially concentrated its domestic glass craftsmen on the island of Murano, isolated from the outside world. In this way, it is also possible to achieve a monopoly on high-end glass manufacturing technology.

For example, the current technology for the manufacture of stained glass in Europe is monopolized by the Republic of Venice. At present, in other countries, there are only some ordinary green glass manufacturing techniques and simple glass container blowing techniques. The more difficult glass-making technology was monopolized by the Venetians. In the future, the Venetians would also monopolize the manufacture of glass mirrors for hundreds of years in order to make huge profits, until the French stole the technology of glass mirrors......

As for the Venetians' monopoly on glass-making technology, not only Europeans knew it, but even those Arab merchants who had business dealings with the Ming Dynasty also knew this.

Therefore, Ma Lin shook the pot with this move, and he was not afraid that the Ming Dynasty would find someone to confront him. Even if you ask the Portuguese, they will admit Marin's claim that "the Venetians have a monopoly on glassmaking". Because, it's true......

……

And after the completion of the glass greenhouse in the side hall of the Qin'an Palace, where the Galapagos tortoise was placed, Ma Lin suddenly remembered one thing - it seemed that the plate armor he brought had not yet had time to be dedicated to the Ming Dynasty......

So, he asked people to fetch his own special Maximilian plate armor, put it on, and asked to see Zhengde......

Looking at Marin, who was wearing a full set of silver galvanized plate armor, Zhengde didn't know why......

"Your Majesty, this is the minister's armor, and its protective power is amazing!" After speaking, Marin also specially knocked on the plate armor on his body to prove its protective power.

"What an amazing method?" Emperor Zhengde, who was a good martial artist, asked curiously.

"Your Majesty can find a few archers to try ......"

When Zhengde found a few archers from the forbidden army, Marin stood 20 paces away, pulled down his helmet and mask, and shouted:

"Come on, shoot me!"

……