The king of Zhou and his party went to the important town of Nine Borders, and it was inconvenient to pass on the post. During this trip, there was very little news. It was not until more than two months later that a letter was sent back to Hanzhong.Among them, in addition to the family letter from King Zhou to the side concubine Wang and the documents of the royal staff, there is naturally a letter from Huan Ling to the prefect of Song in Hanzhong Prefecture.

In the Song Dynasty, there was never a lack of family letters. After arriving in Hanzhong, he often received letters, articles and special soil rituals from other places from his teachers and friends in Beijing, colleagues, brother Nian, his father's colleagues and friends in the local area, and people who wanted to make friends with him.But when holding this letter, there is a kind of surprise and excitement like receiving a letter for the first time.

It was indeed the first time after coming to Hanzhong that he had been separated from Huan Ling for such a long time, and the first time he had received his letter.

He unfolded the mulberry envelope, which was almost as big as a file bag, and took out a thick stack of letter paper. The beginning of the article was the words "seeing words like meeting".

Sure enough, just looking at the text, it was like seeing his expression and attitude when he wrote this letter.

The font in this book is not the thick and heavy font he usually writes in official documents, but a more casual running script. The ink on the letter is different in shades and new, and the content is also intermittent. It can be seen that it was added and changed page by page on the way .

It was probably because it was inconvenient to send letters on the way, so he had to keep his written letters by his side. When he was homesick, he would write a few pages. When he arrived in Datong Town, Zhou Wang wanted to send a letter to Hanzhong, so his family letter could be included in it.

The content of the letter is written in detail, most of which are what I saw and heard on the road from Hanzhong Mansion to Datong Town, ranging from mountains and rivers to land, folk customs and customs, to the basic necessities of life on the road...

In the meantime, there are historical legends of these scenic spots, the origins of local customs and culture, related celebrities and allusions.In the eyes of outsiders, it might just be fun to enjoy the scenery and write travel articles. Only the Song Dynasty understood the true purpose of this line of business, scenery and tedious textual research.

It was specially compiled information for him, so that he could write articles and contribute them to earn Jinjiang coins.

They either rode horses or rode cars on the road. After a long day's journey, their spleens might be worn out; at night, they lived in posthouses that were not very clean and comfortable, and they had to recall carefully what they saw and heard during the day and organize them into He writes effortless vernacular jokes...

As long as he thinks of Huan Ling writing articles for him in the shallow and narrow room of the post house, covered in steaming heat, with the dust and sweat of the day, and even writing until midnight, he wishes to chase after education and write this The child wakes up.

When he was on a business trip, he just went on a business trip, forcing himself to do so many things every day, wouldn't he be afraid of being exhausted?I can't sleep well at night, what if I can't ride a horse during the day and accidentally have an accident?

Staying up too late can easily damage the liver and kidneys, but you can't just rely on your youth, tall stature, and thick hair to work hard!

Song Shi educated Huan Ling in his heart from two thousand miles away, but he himself couldn't avoid it. He lit up the lamp and fought at night, slowly reading his letters.

He memorized papers since he was a child, passed the Sanyuan test, and always read books at a glance. It took more than an hour to read this letter.The lights in other courtyards and family rooms were turned off one after another, and it was pitch black outside the window. The half moon that was still hanging in the sky just now had disappeared below the horizon, and there were only a few stars in the sky, flickering slightly in the darkness.

In a few days, it will be August [-]th, and I don’t know if they are deserted on the road for the festival, homesick, and whether they have good mooncakes to eat.

What is said in the poems are "together with the beautiful moon", "together with the present time", and "together with the world". It is true that on the day of the Mid-Autumn Festival, when the city is full of lights, and couples and families are reunited to celebrate the festive season, lonely wanderers are always the most uncomfortable. of.Even if he lives in Hanzhong mansion safely, as long as he thinks that after the moon appreciation banquet in the mansion on August [-] is over, others can go back to reunite with their families, but he can only come back alone and work overtime on the moon , It is also full of meaning.

I want a plane, a high-speed rail, a mobile phone, a computer... I really can't do it. I want to hang the Jinjiang Literature Network on Huan Ling and communicate with him text-to-text.

Even if you can only buy papers in the background, how about relying on the title of the paper to express your feelings?

Song Shi sighed softly, and put aside his thoughts of teaching Huan Ling to go to bed early just now, picked up the ink stick and gently twirled it in the inkstone pool, developed a pool full of thick ink, and wrote back to him.

When he didn't pick up the pen, he had a lot to write, but when he picked up the pen, those words were stuck in his mind, making him unable to think of what to write for a while. After sitting in front of the blank paper for a long time, he could only reply with one sentence. The clichéd "Zhan Xin'an".

The Mid-Autumn Festival is approaching, and I miss you when I travel far away, and I always miss you. Today I got a letter from you, knowing that you are safe, and my heart is at peace.When I got this letter, it was the fifth day of the eighth lunar month. At nightfall, the brilliance sprinkled the ground, and the stinging stings were everywhere, and the autumn colors were only thick.The weather in Hanzhong Prefecture is mild. It is fashionable to sit in unlined clothes and barefoot. I don’t know how cold or warm it will be during my travels. I can eat well and I am in good health?

In Huan Ling's letter, he had been reminded several times to pay attention to the cold and temperature. It is estimated that the towns on the Nine Borders are to the north, and they felt the chill early on.

Zhou Wang's motorcade has now arrived in Datong, and it will reach Xuanfu in another six or seven hundred miles. Next, it should pass through Juyongguan, Jizhen, Shanhaiguan, and then go north to Liaodong.When I arrived at Xuanfu and Juyongguan, the two important towns surrounding the capital, it should still be before the Double Ninth Festival. It wasn't too cold, and it would be winter in the northeast...

He packed a lot of clothes for them back then, and he only hoped that Huan Ling would pay attention to the climate change, add clothes in time when it was cold, and take care of King Zhou, so that he would not refuse to wear a military coat because he loves beauty.

He was so meticulous that he nagged about adding clothes, and advised Huan Ling not to eat more cured meat for convenience on the road, but to buy fresh meat and vegetables for cooking on the road.Especially when the Mid-Autumn Festival is approaching, there are a lot of fruits and vegetables. Eat more fruits and vegetables, and often replace polished rice and white noodles with yams, taro, pumpkin and whole grains, which is more beneficial to the body...

After giving instructions on food and clothing, housing and transportation, I wrote and wrote, and unknowingly used the fourth page, which was still written in small characters with two lines in one column. Counting these few pages is enough for a composition for the college entrance examination.

Is it too wordy?

His letter was to be sent to the convoy along with King Zhou's family letter and ceremonies. If someone saw him on the way and could read a few pages about his clothes, wouldn't they think he was a mother-in-law?

That's all, I'm afraid the little brothers won't like to read too much chatter, so let's write something serious.

He smiled lightly to himself, wrote the last sentence "I hope you cherish it", and changed the pen and ink to rewrite the matter on his side:

Their school has already been built, and it accepts 110 students, all of whom are school-choice students for the time being. After the summer harvest next year, the entrance examination will be held to recruit ordinary students.Huan Ling, the vice-principal, was not there, so he taught the students himself first. These days, he first talked about the way of learning, the principle of being upright and respectful, and emphasizing both knowledge and action.

The students' arithmetic level varies, so I really can't talk about mathematics, physics and chemistry. I can only wait for them to complete the basics. During the period, I will take them to the factory area to see the pulley block, water wheel, water reel, and water purification device, and leave a use in their minds. Large tools save labor and improve labor efficiency.

But those students are honest and obedient. Although they can't calculate the relationship between force and moment, they don't know how much force a pulley block can save, and how much hydraulic force can be converted into punching force, but they all know how to write articles to praise the benefits of these tools.

Some guards even sued him, saying that those who started the workshop secretly learned their skills at home, and refitted the pulleys with large pulley blocks in warehouses and docks to lift goods.

He was so frightened that he hurriedly called all the merchants in Fucheng to hold a production safety conference, and announced the quality standards for the shape and size of the hoisting pulley blocks, fixed frames and pulleys, the steel materials, ropes, and loading and unloading materials used.

All existing products are audited according to the highest standards, and unqualified ones are immediately discontinued for rectification. Suppliers, manufacturers, inspectors, and users all sign and retain certificates. Any problems in quality or use must be accurately held accountable, causing accidental injuries Yes, the merchant who installed the pulley block should also be fully responsible.

Although it is a bit troublesome during supervision and inspection, the loading and unloading efficiency of the block with the standard pulley block is much higher than that of the traditional fixed pulley and rope block, and all the troubles are worth it.

Before August, the summer tax will be transported to Beijing. With these newly built pulley carts, it will naturally save a lot of labor for the people to carry large bales of wheat, silk, silk cotton, fodder, and wallets.Even some thin people can pull up a large bundle of packages effortlessly, and can easily control the speed and force of the goods falling when transferring them to the cart. The car is also more stable, and the loading and unloading speed is almost faster than usual. a quarter.

The period of grain transportation coincides with the critical period of rice jointing and earing. The peasants who serve in the army can return home as soon as possible, so they can put more effort into the fields. Make a living, support your family.

Earning a few cents more money is sometimes life-saving money for poor families.

He selected some craftsmen who could ride pulleys, and sent them to the states and counties together with the drawings, and asked them to build pulley trains in the same way below, and ship the collected money, food and tributes to the north as soon as possible.In July, the government's money and food had already been confiscated and shipped on board. By the time Huan Ling and the others reached the area around Xuanfu, maybe the Hanzhong Prefecture's grain fleet had already arrived at the capital.

The book office and servants he sent to deposit money and food could even deliver letters to the two relatives—not to mention the Song family, Huan Ling's eldest cousin, Huan Wen, was still in prison in Beijing, so he must have been looking forward to news about his cousin.

King Zhou and his party were responsible for important military affairs, so I was afraid that it would be inconvenient for Huan Ling to communicate with his family. As his brother-in-law... er, it is difficult to write too clearly in the letter, just write "a gift on behalf of".

In short, with him at home, Senior Brother Huan doesn't have to worry about personal affairs outside, he only focuses on military affairs and assisting King Zhou.

Let me tell him the good news by the way, the phosphorus fertilizer he applied in the experimental field this year is really effective, and the rice tillers are more than in previous years in good places like the terraced fields in Fujian and Guangxi.Now it's the heading period, and he can see which are the effective tillers that can head and produce seeds. He went to the field to check several times, and the tallest one can reach as many as thirteen.

In the autumn harvest, there are thirteen full ears of rice!

At the beginning, it was said that if the auspicious ears of rice with six ears and nine ears can be separated, they will be presented to the emperor in the name of the King of Zhou. Now it seems that the nine ears of good grain are hard to find, and the one with only six ears is probably in his field. It's hard to find.

He also felt very sorry, but since he couldn't grow Ruihe, he had no choice but to pick out the ordinary Jiahe that produced the most spikes, the most fruit, and the fullest in the experimental field and presented it to the emperor.

I hope Zhou Wang can send someone back in September and October, and the experimental rice should be harvested at that time.He will ask people to keep the most productive plants, and send people to the convoy after the whole plants are dried, so that the King of Zhou can personally send people to Beijing.

Anyway, he has done a good job in Hanzhong as the magistrate, and he doesn't want to be promoted, so there is no need to rush to offer Jiahe.

Song Shi naturally knew that it would be better to wait until the holy birthday or the end of the year to present Jiahe, but if King Zhou sent someone back, wouldn't he be able to receive an extra letter from Huan Ling?

People can't see it, but it's good to see it.In Hanzhong Mansion, he didn't know which route King Zhou and the others took, and he couldn't send someone to deliver the message, so he could only wait for them to deliver it.

Song Shi let out a long sigh, got up and cut off the candle that was too long, and flicked the candle upwards, and the light illuminated his hand covered with fine bruises.

It was when he went to the field to observe the height of tillers and the nutritional status of rice leaves.Although he always wears knitted gloves when he goes to the fields, the edges of the rice leaves are sharp, and occasional hand injuries are inevitable.But don't bother with this kind of minor injury, he is still young and his skin is recovering well, so he will recover quickly in a few days, and when Huan Ling comes back, he won't even leave any scars.

Of course, such a trivial matter should not be written in the family letter.

He carefully looked at his hands by the light, and saw that there were only some cuts and a few abrasions on his fingers and palm edges, and there were no burn marks caused by the splashing of acid from the recent preparation of sulfuric acid, so he retracted his hands in peace of mind, and continued to write.

This sulfuric acid was not made from sulfur in the laboratory, but was directly transported from pyrite from Xixiang County on the other side of the Han River.This pyrite is an alloy of iron and iron, it cannot be directly smelted, so it has no use value, most of it is just used by scammers to pretend to be real gold to cheat money, and buying a boat is not worth a few taels of silver.

Although it cannot be smelted into iron, sulfur dioxide can be burned out by heating and calcining in a furnace, and sulfuric acid can be produced by passing it into water.The slag after preparing sulfuric acid contains iron, so it can be crushed and mixed into cement ingredients to make slag cement that is higher-grade than ordinary clay cement, which is not considered a waste.

Now the natural gas well experts he invited from Sichuan have arrived in the Economic Park, and together with the coking craftsmen in the factory, they have researched the method of first using cement pipes to transport gas, spraying water to cool down the temperature during transportation, and then wrapping bamboo pipes with asphalt-soaked hemp sheets The traditional process leads the cooling coke oven gas to the sulfuric acid chamber to produce ammonium sulfate.

In fact, this preparation method requires a lot of investment and low output rate, and it is not as high as the economic benefit of directly introducing coke oven gas and blast furnace gas as a mixed fuel.But now that there is no electrolysis condition, this is the only nitrogen fertilizer he can produce, and it can also purify the exhaust gas by the way, which is very cost-effective.

With ammonium sulfate, we will try to produce ammonia gas and ammonia water in the future, and nitric acid can be produced with ammonia gas...

Nitroglycerin may be far away, and it should be difficult to find information on this preparation method.

But life is still long, so I think about it slowly, and I can know what raw materials are used by looking at the name. Maybe in a few decades, he can become the husband or teacher of everyone in chemistry.

Looking forward to his later life, he felt that it was more natural and healthy to take Huan Ling to climb mountains, do boxing, and practice swords than nitroglycerin.Although he is still young, he should take care of him while he is young, otherwise he will not be able to do anything when he retires. What is the meaning of life?

Song Shi had a bit of an epiphany mentality, closed his eyes to take a rest, and turned his head to look out the window.

It might be getting late, he should go to bed earlier...

What are you sleeping on? It's almost dawn!

The guard who sent the letter didn’t know how many days he would stay at home, so he hurriedly asked the cook to make moon cakes, put more oil and sugar, and make moon cakes that can last; steam some red-dyed Chongyang cakes, and ask for the dry and hard ones. The rice cakes that can last for a long time are sent there to be steamed and softened to eat; there is also chrysanthemum wine, I have to ask someone to buy wine immediately, weave a soft rattan basket to cover the wine jar, and put a rattan tube on the outside. Put more cotton in the middle, and make sure it won't be spilled in Zhou Wang's motorcade...

Although these gifts can't be delivered on the day of the festival, they still have to make up for Brother Huan Xiao's two festivals that feel like home.

As for whether to eat the popular sealwort and astragalus in Taoism in the future, or to drink the popular wolfberry, chrysanthemum, and cassia seeds in the future, let's wait until he finishes his housework.

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