IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This early Edison lamp contains a ...

A step-by-step look at solving the world’s first Edison lamp puzzle, exploring its clever design, mechanics, and what makes ...

No base. Single-arch bamboo filament with three-piece leads, copper-plated connectors. Platinum leaf mounted on a two-piece lead and set in press between filament legs. All leads individually sheathed ...