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Lao Fang knew that the identity of the female head catcher in the yamen was not ordinary, and Li Yi also specially told him not to provoke anyone here, so Lao Fang stopped the work in his hand, turned around, and explained with a smile: "Uncle said that if you nail the horse with a horse's shoe, you don't have to worry about the horse's hooves being worn out." ”

Li Mingzhu watched the officials hold down the horse, and the man who had been following Li Yi put a strangely shaped iron piece in his hand on the horse's hooves one by one, fixed it with iron nails, and stood in place, falling into deep thought.

The maintenance and replacement of horses in the army costs a lot of money every year, and the reason why horses are scrapped is that more than ninety percent of them are because the horse's hooves are too badly worn.

And with just a few small pieces of iron, it can solve the problem that has plagued generations of monarchs and courtiers, and no one has ever thought of it for so many years......

After the iron plates were nailed to the horse's hooves, the servants dispersed in a hurry, and the horse immediately stood up, was led by the old party, and kept spinning in place, and the horse's hooves stepped on the bluestone slab, making a crisp sound.

A discerning person can see at a glance the effect of the iron piece.

After nailing the iron sheet on the horse's hooves, the horse's hooves do not contact with the ground, you can avoid wear and tear, you only need to change the iron sheet once after a period of time, from then on, the imperial court will no longer have a headache for the huge horse fee every year, the service life of a war horse has been greatly extended, and in the long run, how much expense will be saved?

Li Mingzhu is different from Li Yi and Lao Fang, she is a princess of a country, and when she thinks about problems, she often stands at the level of the country, and in just a moment, she thinks of these things.

It can be said that the merits of this small piece of iron have exceeded the sum of all his previous credits, including writing the "Disciple Rules", teaching cardiopulmonary resuscitation, or that novel interrogation method, which is not an overnight achievement, and cannot reach the direct benefits created by this iron piece.

"Where is Li Yi?" She stepped forward to look at Lao Fang, her eyes moving slightly.

"In the ......, in the county office."

The old man was weak by her eyes, and pointed to the county government and said.

…………

Li Yi is in the county office, all the work is assigned, and he has been sitting in the duty room for a long time, and he is a little bored, and he plans to go out for a walk.

The county lieutenant is also one of the several leaders in Anxi County, how can he always sit in the yamen, the higher the official position, the more he has to mingle with the people, so he is ready to go shopping on the street, experience the hardships of the people's livelihood, and of course, by the way, he can also relax.

Before he walked out of the gate of the county government, he was blocked by Li Mingzhu.

"Something?"

Li Yi looked at her, and secretly shouted in his heart that he was unlucky, he should have gone out early, generally speaking, as long as he bumped into her in the yamen, there would be no good thing.

"How did you come up with the idea of nailing a piece of iron under the horse's hooves?" Li Mingzhu looked at him and asked.

She was curious, why did he think of a question that people hadn't thought of for thousands of years?

"Because the iron plate is nailed, the horse's hooves will not wear out." Li Yi took it for granted.

Li Mingzhu's expression was slightly stunned, his answer seemed to be just a nonsense, but if you think about it carefully, it seems to be exactly such a truth.

The difference is that he is the only one who has thought of this truth for so many years.

Looking at the expression on Li Mingzhu's face, Li Yi knew that he might not be able to go to the street today to experience the hardships of people's livelihood.

Sure enough, after a while, he returned to the duty room and wrote down in detail about how to make horseshoes, how to nail horseshoes, and how to replace them.

There is no patent concept in this world, and it seems that this time, the invention of the horseshoe is handed over to the state, and it is destined to be a meat bun beating a dog, and there is no return.

Li Mingzhu's habit is very bad, which makes Li Yi feel that he is being squeezed surplus value, he receives a meager salary from the county lieutenant, and he does a great thing that benefits the country and the people, and the salary he gets is seriously inconsistent with the value he creates.

The evil feudal society is more serious than the exploitation of capitalist society......

After Li Yi finished writing, Li Mingzhu put those pieces of paper into an envelope, didn't even say a word of thanks, and disappeared in the blink of an eye.

Li Yi shook his head and sighed while sighing at the same time...... The princess is not ladylike.

"Eight hundred miles to hurry, send this letter to the capital, and personally hand it over to my father." Not long after, in a certain exquisite courtyard in Qing'an Mansion, Li Mingzhu handed the envelope to a man in armor.

"Rest assured, Princess, your subordinates will definitely hand over this letter to Your Majesty as soon as possible." The guards of the princess's mansion responded solemnly, turned over on their horses, and soon disappeared from sight.

"What the hell is he ...... How much more do you have? ”

Li Mingzhu looked ahead, slightly distracted in his eyes, and muttered to himself.

…………

"Lord Qin, why don't I give you 10,000 taels, and you can solve the problem of this year's war horse replacement, right?" Kyoto, the Imperial Palace, in the Imperial Study, a man with a square face and a non-angry and arrogant expression waved his sleeves and glared at the other person opposite.

The man on the other side smiled bitterly and said: "Lord Yan, 10,000 taels is already a lot, last year the disaster was serious, and it cost a lot of money to relieve the disaster and the people, and this year it is even less than the taxes of a few provinces, and the treasury is not full, besides, a few days ago, 100,000 taels of silver have been allocated to your military department, and Lord Yan is now opening his mouth and 50,000 taels, how can there be so much money to give you again?" ”

The man frowned and said, "The 100,000 taels are the army's salaries, don't mix it up with this matter." ”

"Lord Yan, don't embarrass our household department anymore, 10,000 taels is already the upper limit we can give." Tobe Shangshu looked at the man opposite, and did not have the slightest intention of relenting.

The man snorted coldly and said, "Now that the border is in an emergency several times, sooner or later I will have to meet with the soldiers of the Qi State, at this juncture, my Jingguo doesn't even have a usable war horse, Lord Qin won't be unaware of the importance of this matter, right?" ”

Hearing this, Hubu Shangshu was speechless, he couldn't afford this consequence, and looked at Emperor Jing with his eyes pleading.

In the imperial study, Emperor Jing looked at the two Shangshu of the Ministry of War and the Ministry of Household fighting each other, no one let anyone, rubbed his eyebrows, and had a headache.

Horse expenses have always been an important expense, if in previous years, maybe it could be postponed first, but at this time the border is tight, but it can not be delayed at all, he thought about it in his heart, or decided to postpone other uses, to allocate the money to the military department, can not be saved.

Just as he was about to speak, Chang De, the head of the interior, pushed the door in, walked up to him and whispered a few words.

"Letter from Mingzhu?"

A hint of confusion appeared on his face and he said, "Let him in!" ”

"Xuan!" Chang De said loudly outside the hall.

The guard of the princess's mansion walked in from outside the door, bowed down, and presented the letter in his hand.

In one day, he traveled day and night, changed several horses in the post station, and finally arrived in the capital just now without any delay.

Emperor Jing opened the envelope, first took out a handwritten letter from Princess Yongle, and after reading it, a trace of consternation appeared on his face, and then he hurriedly opened a few pieces of paper in the envelope to look at it, and the smile on his face gradually relaxed.

"This Li Yi is really my lucky star!"

Emperor Jing slapped the pieces of paper on the desk and said with a laugh.

In the hall, the two Shangshu glanced at each other, their faces full of doubt.