I love those old stereoscope photographs. I recently saw an article explaining how to "free view" stereoscopic images. In the article they used an iPhone, but the nit has a better screen anyway. I think I'm going to try to make a stereoscope viewer/n810 holder if I can find the time. They seem simple enough. If anybody has any experience ideas suggestions or knows of photo repositories I'd love it if you posted. I found what appears to be a massive repository for stereoscopic images here if anyone is interested. It's handy that most stereoscopic images have been out of copyright for many many moons.

I love this one.