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

她取下平时偶尔瞧了一眼查尔斯面容。

Weinberg says daguerreotypes have that kind of quality.

温伯格说达盖尔银版照法具有那种品质。

This is what you call the daguerreotype, daguerreotype.

这照片拍摄手法被称之为银板照法。

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

他还说银版照“是三维” 。

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

那是丹尼尔·温伯格。 他在芝加哥亚伯拉罕林肯书店工作。 他研究过许多银版照术。

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

研究人员表示，每个银版照版 X 射线成像过程大约需要八个小时。

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

他还说，银版照片是独一， 并不意味着像现在照片那样被复制。

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

Ed Vicenzi 将谈论银版照术和用于生产银版照术技术。

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

他们正在使用实验室高级光子源来了解有关银版照更多信息。

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

好吧，银版照片是由一堆“纳米粒子” 组成。

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阿贡国家实验室合作研究银版照法。

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

温伯格对这些银版照术说另一件事是“你想要踏入其中” 。

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

今天主题是保存和保护所谓“daguerreotypes”——老照片。

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

我们拥有最古老照片类型被称为“daguerreotypes” 。

He talks about daguerreotype " plates" (plates).

他谈到银版照术“板材”（plates）。

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

这些银版照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.

他说纳米粒子——这些非常小物质——在银版照法表面。

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

人们只需坐分钟， 他们形象就会被捕捉到现在所谓照片中。

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

许多最重要银版照片现在都存放在史密森尼博物馆和美国国会图书馆馆藏中。

She looked about the pale walls of her sitting-room, seeking counsel of ancestral daguerreotypes and didactic samplers; but they seemed to make utterance more difficult.

她环顾起居室苍白墙壁，从祖传银版照法和教学法中寻求建议；但它们似使说话变得更加困难。