As she took down the daguerreotype, she caught a glimpse of Charles' face.

她取下相平时偶尔瞧了一眼查尔斯的面容。

Weinberg says daguerreotypes have that kind of quality.

温达盖尔版照相法具有那种品质。

This is what you call the daguerreotype, daguerreotype.

这照片的拍摄手法被称之为板照相法。

He also says that daguerreotypes are " almost three-dimensional."

版照相“几乎是三维的” 。

Researchers said the X-ray imaging process takes about eight hours on each daguerreotype plate.

研究人员表示，每个版照相版的 X 射线成像过程大约需要八个小时。

America's Smithsonian Institution is now working with the Argonne National Laboratory near Chicago to study daguerreotypes.

美国史密森尼学会目前正与芝加哥附近的阿贡国家实验室合作研究版照相法。

That's Daniel Weinberg. He works at the Abraham Lincoln Book Shop in Chicago. He has studied many daguerreotypes.

那是丹尼尔·温。 在芝加哥的亚拉罕林肯书店工作。 研究过许多版照相术。

Ed Vicenzi is going to talk about the daguerreotypes and the technology used in producing daguerreotypes.

Ed Vicenzi 将谈论版照相术和用于生产版照相术的技术。

Well, daguerreotypes are made up of a bunch of " nanoparticles."

好吧，版照片是由一堆“纳米粒子” 组成的。

He also says daguerreotypes were one of a kind, not meant to be reproduced like current photographs.

，版照片是独一无二的， 并不意味着像现在的照片那样被复制。

They are using the laboratory's Advanced Photon Source to learn more about the daguerreotype.

们正在使用实验室的高级光子源来了解有关版照相的更多信息。

The other thing that Weinberg says about these daguerreotypes is that " you almost want to step into one."

温对这些版照相术的另一件事是“你几乎想要踏入其中” 。

Today the topic is preserving and protecting what are called " daguerreotypes" – old photographs.

今天的主题是保存和保护所谓的“daguerreotypes”——老照片。

The oldest kinds of photographs we have are called " daguerreotypes."

我们拥有的最古老的照片类型被称为“daguerreotypes” 。

He talks about daguerreotype " plates" (plates).

谈到版照相术“板材”（plates）。

These daguerreotype plates are beginning, basically, to fall apart.

这些版照相版基本上开始分崩离析。

He says that the nanoparticles – these very small pieces of matter – are on the surface of the daguerreotype.

纳米粒子——这些非常小的物质——在版照相法的表面。

With daguerreotypes, people could sit for just a few minutes while their image was captured in what is now known as a photograph.

人们只需坐几分钟， 们的形象就会被捕捉到现在所谓的照片中。

The young woman in one daguerreotype they're working on was most likely a teenager or in her early 20s when the picture was made.

们正在拍摄的一张版照片中的年轻女性在拍摄照片时很可能是一名青少年或 20 岁出头。

Many of the most important daguerreotypes are now stored at the Smithsonian and in the collections of the United States Library of Congress.

许多最重要的版照片现在都存放在史密森尼博物馆和美国国会图书馆的馆藏中。