Reminding us of the kind of kids’ storybook viewer into which slot circular wheels of film frames, this similar retro feel device likewise features two eyepieces, and indeed two lenses. Where it ...

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This is a brass instrument with pearl on the barrels, eyecups and center focus. The barrels are flared. The objective lenses are 30 mm in diameter. The length is 5 cm closed. The words “Jumelle ...

A set of small binoculars believed to have been used by President Abraham Lincoln on the night he was assassinated in a Washington theater are now the latest prized possession of a New Orleans antique ...

Most people rarely give a second thought to opera glasses. You may have seen them in movies, or perhaps you remember seeing a pair of them in the home of an elderly family member, having belonged to ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. When closed, this ingenious device ...