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24 comments
Galbinus Caeli ๐ŸŒฏ

@overholt If you don't know how stereograths work, they use parallax to produce a 3d image. You look at one image with each eye and your brain constructs a sensation of depth. Its pretty easy.

1) hold your phone sideways and open only the image, close any alt text or headers or footers.
2) hold the phone about 15cm/6in from your eyes, then cross your eyes so the two images merge in the middle.
3) move the phone slightly in and out until the image is in focus.

That's it. Might take practice.

@overholt If you don't know how stereograths work, they use parallax to produce a 3d image. You look at one image with each eye and your brain constructs a sensation of depth. Its pretty easy.

1) hold your phone sideways and open only the image, close any alt text or headers or footers.
2) hold the phone about 15cm/6in from your eyes, then cross your eyes so the two images merge in the middle.
3) move the phone slightly in and out until the image is in focus.

John Overholt

@SkipHuffman 3D doesnโ€™t work for me, unfortunately, because of my amblyopia, but one of my favorite projects from the sadly defunct NYPL Labs was the Stereogranimator, which you could use to turn them into GIFs. stereo.nypl.org

Galbinus Caeli ๐ŸŒฏ

@overholt Yeah, the 3D they use in movies doesn't work for me at all, the scene disintegrates into visual noise. But I can do static stereographs pretty easily.

Zillion

@SkipHuffman @overholt These stereograms are not made for cross-eyed, but parallel viewing: Hold the pair close to your eyes and look some distance through it until the combined image emerges. That said, parallel viewing is harder to learn than cross eyed, and viewing these cross eyed will give some of the effect.

M.S. Bellows, Jr.

@zillion @SkipHuffman @overholt Thank you; that works much better for me. What fun!

stephaniepixie ๐Ÿณ๏ธโ€๐ŸŒˆ

@overholt I love how they all have titles to describe the scene. Like โ€œThe Temptressโ€ for a woman peeking her head out from behind a curtain ๐Ÿ˜„

Ben :bc:

@overholt

Lovely. This led me down a little rabbit hole where I found this monstrosity...

Kerry Mitchell

@overholt Thatโ€™s pretty cool. Someday, Iโ€™ll print some out to try with my stereoscope. Iโ€™ve got a bunch of vintage cards but all older ones, I think. Iโ€™ve never seen cards with flappers in antique shops.

Ryan Baumann

@overholt maybe time to dust off my automatic stereograph morphing codeโ€ฆ github.com/ryanfb/torch-warp

Karin Dalziel

@ryanfb @overholt Showed this to coworkers, two of whom can't see regular stereoscopic images, and they appreciated the accessibility of the wigglegrams :)

Big Ducky :duck_verified:

@overholt That second one literally happened to me once. I (partially) fell down an uncovered manhole while looking at a pretty lady duck. ๐Ÿฆ†๐Ÿ˜‚

๐Ÿ‡ณ๐—ฎ๊œŸ๐–ผ๐˜ฉ

@overholt Glad I practiced for all that time on those magic eye pictures. Now I can use that technique with vintage 3d porn.

Jacob Something

@overholt Nice! Thank you! Also: We need more stereographs on Mastodon. Way more!

Mx. Luna Corbden

@overholt @flockofnazguls Nice! I have a very lovely antique stereoscope my parents bought me as a teen. It still has patchy faded red velvet around the edges. And a collection of cards, in a very nice wood box (probably not original). One of the few larger possessions I've carted around with me this long.

Karin Dalziel

@overholt The only one of these that actually felt like it had depth was the manhole one, the rest seemed fairly flat (thought he balloons in the dog one did stand out)

Matthew Murray ๐Ÿฆ‡

@nirak @overholt I helped with a collection of digital versions of these years ago. We created red/blue 3D and "wiggle stereoscopy" versions of some of them. digitize.library.ubc.ca/digiti

Karin Dalziel

@MidniteLibrary @overholt I remember seeing this! at one point I even had some red/blue 3D Glasses to look at them, but I have since lost them :(

Niles Essanay SilentFilmMuseum

@overholt This is a great collection.
Nice "in depth" view of the world we're familiar with from silent movies.
It is definitely easier to view these on a phone than on a computer screen, since you can adjust the distance to get the effect to work.
If viewing in a desktop browser, you might have to try rolling your chair back and forth to get the right distance.
If you get to a page for an individual picture, and open the actual image in its own window (on FF, right click and choose "open image in new tab"), then you can try resizing the window.

@overholt This is a great collection.
Nice "in depth" view of the world we're familiar with from silent movies.
It is definitely easier to view these on a phone than on a computer screen, since you can adjust the distance to get the effect to work.
If viewing in a desktop browser, you might have to try rolling your chair back and forth to get the right distance.
If you get to a page for an individual picture, and open the actual image in its own window (on FF, right click and choose "open image in...

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