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 ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. The mother of pearl eyecups are ...

Q: How does one find collectors? I'd like to sell two pairs of opera glasses passed down by my grandmother. They're in excellent condition. I'd prefer to sell to a collector rather than on the open ...