The stories behind old "cased" images on metal and glass may lie in archives of paper.
Cased images like the one shown on this page are among photography's earliest — and, to many, most interesting — images. But to the family historian playing "photo detective" in search of clues about your past, these can be among the most puzzling images to try to make sense of. For one thing, their sheer age makes their mysteries more challenging to unravel. For another, they simply don't look and feel like the snapshots that we're used to. They're not even on paper — they're on metal or glass.
Ironically, though, paper of an entirely different sort can help you solve these old photo riddles: old newspapers. Let's see how newspapers can be a source of clues, using the example pictured here.