Chapter 788 Let them take a family photo.

The three of them naturally wanted to report to the leader for their achievement in developing a mature technology for keeping photos. Such a magical technology would be very useful. Even if it had no special use, it would have great commercial value even if it was only sold on the market.

Qu Bing even began to think that when he joined the army in the future, he would leave his wife at home and open a photo studio. He would definitely have a very good income and find a job for his wife.

So the three of them immediately packed the four negatives for keeping photos, and wrote a long letter to send the research and development process to Luo Chong using the giant eagle.

Because the cost of silver plate keeping photos is relatively high, the three of them did not dare to use public experimental resources for private photography. The most important thing was to report the results to the leader as soon as possible.

Luo Chong received their letter that morning. At the flying speed of the giant eagle, the journey of more than 100 kilometers from the lake island to Hanyang City would take at most an hour.

When Luo Chong opened the bundle and saw the four photos wrapped in layers of cotton cloth, he was stunned. He didn't expect that the people in the institute could come up with such a meaningful invention without any hint from him.

To be honest, after so many years, Luo Chong couldn't remember what the early photography technology required. He only remembered that it was necessary to shoot the negative latent image, then use the developer to wash out the photo, and finally use the fixer to determine the nature of the photo. This was just the negative, and then it was transferred in large quantities with photographic paper.

But it was obvious that the disposable silver plate photography technology that the three of them had come up with should be earlier than the negative filming technology he knew. Such photos are disposable products that cannot be copied. No, they cannot be called products now. Things like this that cannot be copied should be called art.

Xiaodie and Zhan Ying are pregnant again. The two have reduced their work outside and now often stay at home to take care of the two children, or make some small clothes and food. Seeing Luo Chong staring at the letter and smiling silly, they asked curiously.

"Husband, what are you looking at so happy about? Is there any progress on the locomotive you mentioned?" Xiaodie turned her head and asked while watching Luo Lan and Luo Cheng playing a puzzle.

"No, it's still too early for that locomotive. It will be good if it can be made next year. I am laughing at Qubing. He has been in the research institute on Huxin Island for only half a month, and he has come up with two new technologies. Come and have a look. There are also gifts from him for you." Luo Chong smiled and waved to Xiaodie.

At this time, Zhan Ying also came from the kitchen with a plate of cut fruits in his hand. Hearing that Luo Chong had something good here, he also hurried over.

"Wow, what is this? The one above is Qubing, who are the other two?" Xiaodie asked in surprise while looking at the photo.

"Husband, is this a portrait? How can it be painted so well? It looks exactly like the real person." Zhan Ying also said in surprise.

"Haha, this is not a portrait, this is a photo. We don't need a painter, we use a camera, we can take pictures of any scene we see, to use Qubing's words in the letter, to freeze time forever on the carrier, so that even when we are old, we can still see what we looked like when we were young, and the two little guys can also see what they looked like when they were young when they grow up." Luo Chong smiled and popularized photography technology to the two.

"That's amazing, and this photo of three people looks so real, husband, can our family take a photo like this? Forget it, let's wait until Cheng'er and Lan'er are born." Xiaodie listened to Luo Chong's introduction and immediately became interested in this thing.

There is no way, photography is a thing, it is naturally charming, who doesn't want to keep a photo of themselves when they were young forever? Or, to leave a proof that they have existed in this world? This meaning is really too important.

Since the invention of photography, if you don't take a few photos when traveling, it's as if you have never been to this place.

The greatest charm of photography is to keep a memory.

"No need. If you want to take pictures, I'll call them over and take pictures now. We'll take pictures after the baby is born. It's not that difficult. When the technology matures, it will be very cheap. I will make it possible for all the people in the Han tribe to take pictures." Luo Chong made a decision immediately.

"That's great. When can we take such pictures? No, I have to dress up the children. And my husband, you have to change into nice clothes by then." Zhan Ying also became excited. Luo Chong did

n't know whether to laugh or cry. These were all black and white photos. No matter how nice you dress, the photos would still be black and white. What's the point of dressing nicely? But he didn't say it out loud.

"Well, we need to dress up. By the way, Qubing and his team have invented the glass silvering technology and made a few silver-plated glass mirrors. They said in the letter that they would give them to you as gifts. You can use them to dress up."

Luo Chong said as he took out a few glass mirrors from his bag and handed them to the two. It was the first time for them to see mirrors that could reflect such clear portraits, so they were naturally very happy.

Xiaodie looked at the mirror left and right, and said to Luo Chong with a smile, "Husband, this is such a good thing, I should give one to sister Tang Yao tonight, or you can do it yourself?"

Luo Chong's face darkened, and he said casually, "You go and do it."

Seeing Luo Chong's humiliation, Zhan Ying covered her mouth with the back of her hand and giggled. Seeing Luo Chong glaring at her, he said, "My husband, Qubing seems to be unmarried yet. How about I find a good girl from my tribe to marry him? It's rare that this child knows to give us gifts, we can't not show our appreciation."

Luo Chong thought about it and didn't refuse. Zhan Ying's mother's tribe didn't have much status in the Han tribe. Although she was a foreign relative, Zhan Ying was thrown into the river by them to worship the gods. Luo Chong fished her out of the water, so you can imagine what impression she would have of her mother's tribe.

Qubing didn't have any foundation, but she would definitely be in a high position in the future. Zhan Ying would think of using this method to ease the relationship and improve the status of her mother's tribe. Luo Chong didn't have any objections. After all, so many years had passed, and even if he was angry, he would have long since subsided, so he nodded and agreed.

"You decide on this. It's best to ask Qubing if he has anyone he likes."

"Yes, thank you, husband. I understand." Zhan Ying agreed and took the mirror to tease the two children. It was the first time for the two children to see such a clear mirror. They couldn't help but play with themselves in the mirror.

Luo Chong wrote a reply letter at this time, asking them to bring all the equipment and chemicals needed for taking photos to Hanyang City to find him. He also asked them to bring all the propellants, fulminate of mercury and lead azide currently produced in the laboratory, and asked them to bring a few more people. He wanted to conduct the bullet experiment in Hanyang City.

As for the research on firearms, how could Luo Chong, who had played with guns for half his life, be willing to let others do it for him? He wanted to have fun with it first.

After asking his personal guards to send the letter back, he wrote another letter to urge the Power Research Institute in Gongye County to send the materials for making bullet bodies and various customized equipment to Hanyang City as soon as possible. At present, the only department in the Han tribe that has the ability to develop these equipment is the Power Research Institute, a top-level mechanical research department. I believe that with the drawings provided by Luo Chong, they should be able to make these things easily.

After sending this letter, Luo Chong immediately sent another team of personal guards to Gongye County and ordered them to be responsible for escorting this batch of military equipment safely after they are ready there, and then wait for Qubing and his team to come and take family photos for him.

At the research institute on Huxin Island, Qubing and his team received Luo Chong's reply at noon on the day they sent the letter. Seeing that it said that the leader wanted them to bring the equipment over, they were very happy. This showed that the leader also wanted them to take photos. The leader was so interested in this thing, which was originally a kind of affirmation and recognition.

However, the few people did not forget the important things that the leader had told them to do. While they were packing up the equipment and preparing the boat, Wen Nong asked the chemical team to get some more propellant and primers. Finally, before dark, they gathered a large amount of gunpowder, as well as shotgun shells, photography equipment, and a group of researchers to board the ship and head to the dock of Liuyang County overnight.

The shotgun shell is composed of two parts. In the early black powder shotgun era, the shell was still made of copper, but in modern times, all of them use a split structure with copper shells and plastic shells.

It just so happens that the Han tribe now has plastic, which is unvulcanized Eucommia gum. Eucommia gum is originally a plastic material. It is as hard as plastic in a low temperature environment. Even if it is heated, it will only become soft, but not elastic. Only after vulcanization can it become rubber-like.

But now that the Han tribe has a new source of rubber raw materials, there is naturally no need to waste Eucommia gum on making rubber. Using this thing as rubber is more expensive than using rubber. Luo Chong simply asked them to use this thing to make plastic shells and develop new uses for it as plastic.

Two days later at noon, Qubing and a group of researchers from Huxin Island finally arrived in Hanyang City. Because they were carrying highly sensitive explosives this time, they did not dare to run too fast. Although they were anxious, they still took stability as the priority. Don't let yourself be killed on the way without receiving the credit and reward. That would be too tragic.

After entering the city, the group, led by the personal guards, temporarily stored the gunpowder and other things in the warehouse in the city and kept them under strict supervision. Then they went to Luo Chong's house with the equipment and medicines needed for photography.

Three days from the reply to the letter to now, Luo Chong finally saw the world's first camera developed by the natives of this world.

When he saw this thing for the first time, Luo Chong couldn't help but complain.

"You guys are so crude!"

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(End of this chapter)