Seeing Double: Why Yesterday's Tech Matters

A BIT OF HISTORY Random Stuff From Annette's Collection: The Stereoscope, 1900's Must-Have Gadget, Teaches Us About Thinking Historically

This is not my stereoscope, but its very close, and a better photo than I could have taken! Image: Public Domain, Wikipedia

I’d been looking for one of these for years. And then I spotted it, in a ramshackle barn of a junque shop in a small Pennsylvania town: A stereoscope, lying crookedly among a clutter of items on the dusty glass counter.

No price tag…