"Since this is the case, then you will be in charge of the hand warmer, three hundred taels, and you can find the master of Liu to deploy the manpower!"

Hand warmers were very common in the Wu Dynasty, and for the Ministry of Industry of the Wu Dynasty, which made hand warmers all year round, the basic technical problems had already been broken.

The next thing to do is to reduce the volume.

From the size of a crockpot to the size of a pocket, it is better to keep heating up with the kick and go!

If the luggage is mainly aimed at the middle and upper classes, then the pocket hand warmer is aimed at the middle and lower classes of society.

"It's not difficult to make the style, it's simple to replace the filling inside with cotton wool, and the low temperature continues to heat up and need to be overcome, but the real difficulty is still the oil oil, and I can't guarantee that this piece can be solved!"

Shang Zhong had confidence in the Ministry of Industry, but he did not guarantee the source of the oil, after all, through the resources of the oil, the annual output of the Ministry of Industry was only enough for the military department.

"I'll solve the problem of oil oil!"

There is no shortage of stones in Jizhou, even if it is lacking, there is no shortage of coal and wood, if it doesn't work, it will be good to use coking oil, the blast furnace will be made, and it will not be difficult to manufacture the equipment for refining coking oil.

"Then I'm fine!" Shang Zhong nodded, and the whole person leaned directly on the Taishi chair without speaking.

"Little Tiger!"

The equation looked at Xiaohu, "You can solve the pulley block, the wood warehouse, carpenter, and blacksmith will be open to you, giving you ten years to make finished products from common wood to the most luxurious wood!" ”

The upper limit of the craftsmen of the Wu Dynasty is not high, but the lower limit is still guaranteed.

Don't count on them in R&D, but on the basis of the existing one, let them do things according to the plan, and the problem is not big.

As long as the problem of the lever is solved, a first version of the pulley bag can be made.

As for the use case...... Is the luggage system that focuses on luxury really needed?

Relative practicality is enough, absolute practicality is something to consider in the luxury system!

"Leave it to me!" Xiaohu rolled the drawings of the pulley into his pocket.

"Why, this last telescopic lever is my business?" Li Yannian looked at the last drawing.

"The matter of the pole is in charge, you are responsible for the spring, and it is not required to make a small spring, but at least the concept must be realized!"

If the machine tool is the mother of industry after the industry 2.0 version, then the spring and the shaft are the mother of industry 1.0.

The Wu Dynasty, which had a blast furnace, already had enough tough iron, and it would no longer be difficult to manufacture a relative spring group on a large scale in turn.

And once the Ministry of Industry of the Wu Dynasty made a spring, many low-level industrial machinery could be done.

Even if you don't do these machines, just make a shock absorption mechanism with a spring as the core, it is enough to improve the comfort of the carriage by several grades, if you get the shaft out, combined into a linkage system, then the emergence of the four-wheeled carriage will not be in any difficulty.

The four-wheeled carriage, compared to the two-wheeled carriage, seems to have a pair of wheels, but I don't know how many things are worse here.

Not to mention comfort, just an increase in carrying capacity will have a subversive effect on the entire transportation industry.

By the way, it can also build technical barriers for the Wu Dynasty!

And unlike now, what you make, others can reproduce......

"Is this thing hard?"

Looking at the spring that just rolled up the steel, Li Yannian was somewhat puzzled, after all, in his opinion, this thing was even simpler than the tie rod itself, and if it was not enough, it was just a roll!

"It's hard to say, it's easy to say, it's easy to say it's easy to say it's up to standard, it's easy for him to be unqualified when the material is not qualified, and now the iron produced by the blast furnace can't be heard, but whether it can meet the spring standard, to be honest, I don't know, so you have to try the current iron, try it a little bit, improve it a little bit, and don't rule out the possibility of re-refining!" Equation said in a deep voice.

A lot of seemingly simple things can be really difficult to create that can scare people to death.

The elastic coefficient and deformation recovery involved in the spring are all easy to say and not easy to do, and the meat is not on the wrinkle.

Especially when it is used on the carriage, it is necessary to resist the pressure of the carriage itself and the potential energy generated by the inertia of the carriage without affecting the normal operation of the carriage, which undoubtedly puts forward higher requirements for the spring parameters.

Li Yanting was puzzled by this, but because of his steady character, he didn't say anything, and he did everything first and then watched.

"This part of the spring, there is no upper limit on the investment, if the Ministry of Industry knows that it is not willing to bear, you can come to me directly, there is no more, there are still thousands of taels!"

Back in Tai'an City, although the equation people did not go to the bus to lead, but Shang Zhong and Xiaohu have run several times, with the help of stone pot fish and hot spring dishes, relying on the output of the bus collar for a year, the value of the equation has exceeded 10,000 taels, and he is also a rich man in Tai'an City, not to mention that he also cooperates with Taibailou to brew.

Last year, he was a white body, and there was no guarantee of cooperation with Taibai Lou, but this year, he ...... casually went out to inquire, and the declining family background of the Ether White Building did not dare to rise up with messy ideas, and with the cooperation of mutual needs, he made a lot of money for the equation.

Therefore, in the spring area, the Ministry of Engineering will invest if it is willing to invest, and it is good if it is not willing to invest in itself.

"Anyway, can I also vote a little?" Li Yannian quipped.

"Yes, don't underestimate this little spring, after this thing is made, as long as you keep digging deeper, this is definitely a hand-me-down business!"

The anchoring of the equation obviously brings more incomprehension to everyone here, but the unsolved is unsolved, and before the equation has failed, no matter how many questions are pressed into the heart.

"Don't think about it, it's like this for the time being, use what you can do first, and then say that if you can't do it, if you need a name for the outside world, do it in the name of the Transshipment Division, and if you can't do it, just pull those boys!"

Don't look at Huang An who invited them, but the Ministry of Industry is not their territory after all, Huang An still has all the divisions on his head, the left and right Langzhong of the ministry, Shangshu, a huge manufacturing library can be thrown to them to play, and the face is enough, and then people spend money to pay for them, which is somewhat embarrassing.

……

"Your Excellency!"

At the Yamen of the Ministry of Industry, Huang An arrived at a notebook and stood there respectfully.

is the one in front of you, replaced by someone else, you see that Huang An does not show the style of the second generation.

"You kid, young old man pretend!"

The thin old man, wearing a crimson official robe, smiled and pointed at Huang An in front of him, "What are you going to do in the western suburbs, the old man doesn't care and is too lazy to care!" ”

People are stuffed with summer abacus, things are made by equations, and if there are no results, forget it, if you have achievements in hand, why should the Ministry of Industry take care of it, to be a villain.

The six departments of the Wu Dynasty, the Ministry of Industry has the lowest status, and some of the divisions in the household department can be stuck with them, if it weren't for the fact that there was no one, the old man would have thought about packing up and going home.

"Maybe you should check it out this time!" Huang An said in a low voice.

Huang An can't understand Gao Heshangshu's attitude, the six Yamen Ministry of Industry has the most people, spends the most money every year, and pays a lot of reciprocal contributions, but it is difficult to link the things done by the Ministry of Industry with military merits, and the technical level is far behind other countries.

The horizontal and vertical comparisons are all at the bottom, except for officials like Huang An, no one wants to be on an errand here.