“Twin” Tintypes as 3D Animated GIFs

If you spend much time around old photographs, you’ve probably run into sets of “twin” tintypes that look identical at first glance.  Unlike photographic prints made from negatives, however, every tintype is technically unique.  “Twin” tintypes are thus never exact duplicates of one another; instead, they were taken simultaneously from slightly different perspectives with a…

Historical Stereoviews as Tweened Animated GIFs

Stereoviews were the first commercially mass-produced media designed to be accessed with a special piece of equipment—namely, a stereoscope or stereoviewer.  In that important sense, they anticipated the later media of cinema (motion pictures) and phonography (sound recordings). But stereoviews are at a significant disadvantage when it comes to twenty-first-century accessibility.  Today it’s fairly easy…