Cool 3D camera.

What an interesting enterprise this is, Michael--and I hope you do sometime soon produce this "images of Knoxville" reel!

About this statement from the article...

Photography was a relatively new art form when stereoscopic photography, which uses two images taken about two-and-a-half inches (the distance between the eyes) apart, became the rage. The images merged when viewed with a device called a stereoscope, and postcards with dual images allowed our great-grandmothers to feel like they were visiting far-off tourist attractions.

...some of us are old enough that our grandmothers, not great-grandmothers, owned stereoscopes.

Both my grandmother and her sister, my great-aunt, owned them, along with boxes and boxes of slides. They were handed to us youngsters as amusements when we came to visit, with strict instructions that we should be careful not to tear the paper cards inserting and removing them from the wooden stereoscope.

Anyway, looking forward to the Knox reel!

Have you checked with Thompson Photo? Years ago, a friend who worked there had collected reams of old photos, as had many of his co-workers. I suppose Thompson family members have collected even more?

Their website mentions archival photos for sale, but doesn't mention stereo viewcards per se.